Home / 14,020.61-19,347.19-8,051.72

Finding the Fourth Proportional to 14,020.61, 19,347.19 and 8,051.72

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Solution

The fourth proportional to 14,020.61, 19,347.19 and 8,051.72 is: 11,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.61 : 19,347.19 = 8,051.72 : x
  2. Step 2: Convert to fraction form
    14,020.61/19,347.19 = 8,051.72/x
  3. Step 3: Cross multiply
    14,020.61x = 19,347.19 × 8,051.72
  4. Step 4: Simplify right side
    14,020.61x = 155,778,039.80
  5. Step 5: Solve for x
    x = 155,778,039.80/14,020.61
  6. Step 6: Final answer
    x = 11,110.65

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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.