Home / 25,447.83-38,132.82-13,603.29

Finding the Fourth Proportional to 25,447.83, 38,132.82 and 13,603.29

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Solution

The fourth proportional to 25,447.83, 38,132.82 and 13,603.29 is: 20,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,447.83 : 38,132.82 = 13,603.29 : x
  2. Step 2: Convert to fraction form
    25,447.83/38,132.82 = 13,603.29/x
  3. Step 3: Cross multiply
    25,447.83x = 38,132.82 × 13,603.29
  4. Step 4: Simplify right side
    25,447.83x = 518,731,808.98
  5. Step 5: Solve for x
    x = 518,731,808.98/25,447.83
  6. Step 6: Final answer
    x = 20,384.13

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1.5x scale

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.