Home / 25,547.16-38,265.36-12,371.91

Finding the Fourth Proportional to 25,547.16, 38,265.36 and 12,371.91

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Solution

The fourth proportional to 25,547.16, 38,265.36 and 12,371.91 is: 18,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.16 : 38,265.36 = 12,371.91 : x
  2. Step 2: Convert to fraction form
    25,547.16/38,265.36 = 12,371.91/x
  3. Step 3: Cross multiply
    25,547.16x = 38,265.36 × 12,371.91
  4. Step 4: Simplify right side
    25,547.16x = 473,415,469.74
  5. Step 5: Solve for x
    x = 473,415,469.74/25,547.16
  6. Step 6: Final answer
    x = 18,531.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.