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Finding the Fourth Proportional to 14,020.68, 19,347.12 and 8,050.92

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Solution

The fourth proportional to 14,020.68, 19,347.12 and 8,050.92 is: 11,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.68 : 19,347.12 = 8,050.92 : x
  2. Step 2: Convert to fraction form
    14,020.68/19,347.12 = 8,050.92/x
  3. Step 3: Cross multiply
    14,020.68x = 19,347.12 × 8,050.92
  4. Step 4: Simplify right side
    14,020.68x = 155,762,115.35
  5. Step 5: Solve for x
    x = 155,762,115.35/14,020.68
  6. Step 6: Final answer
    x = 11,109.46

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Half scale
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Double scale
Find fourth proportional to 14,021.68, 19,348.50 and 8,051.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.