Home / 25,064.66-34,587.74-13,731.90

Finding the Fourth Proportional to 25,064.66, 34,587.74 and 13,731.90

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Solution

The fourth proportional to 25,064.66, 34,587.74 and 13,731.90 is: 18,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,064.66 : 34,587.74 = 13,731.90 : x
  2. Step 2: Convert to fraction form
    25,064.66/34,587.74 = 13,731.90/x
  3. Step 3: Cross multiply
    25,064.66x = 34,587.74 × 13,731.90
  4. Step 4: Simplify right side
    25,064.66x = 474,955,386.91
  5. Step 5: Solve for x
    x = 474,955,386.91/25,064.66
  6. Step 6: Final answer
    x = 18,949.21

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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.