Home / 25,104.09-34,642.17-13,772.19

Finding the Fourth Proportional to 25,104.09, 34,642.17 and 13,772.19

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Solution

The fourth proportional to 25,104.09, 34,642.17 and 13,772.19 is: 19,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,104.09 : 34,642.17 = 13,772.19 : x
  2. Step 2: Convert to fraction form
    25,104.09/34,642.17 = 13,772.19/x
  3. Step 3: Cross multiply
    25,104.09x = 34,642.17 × 13,772.19
  4. Step 4: Simplify right side
    25,104.09x = 477,098,547.25
  5. Step 5: Solve for x
    x = 477,098,547.25/25,104.09
  6. Step 6: Final answer
    x = 19,004.81

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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.