Home / 14,188.84-19,577.61-8,220.15

Finding the Fourth Proportional to 14,188.84, 19,577.61 and 8,220.15

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Solution

The fourth proportional to 14,188.84, 19,577.61 and 8,220.15 is: 11,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.84 : 19,577.61 = 8,220.15 : x
  2. Step 2: Convert to fraction form
    14,188.84/19,577.61 = 8,220.15/x
  3. Step 3: Cross multiply
    14,188.84x = 19,577.61 × 8,220.15
  4. Step 4: Simplify right side
    14,188.84x = 160,930,890.84
  5. Step 5: Solve for x
    x = 160,930,890.84/14,188.84
  6. Step 6: Final answer
    x = 11,342.08

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Half scale
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Double scale
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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.