Home / 25,617.47-38,623.32-25,158.20

Finding the Fourth Proportional to 25,617.47, 38,623.32 and 25,158.20

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Solution

The fourth proportional to 25,617.47, 38,623.32 and 25,158.20 is: 37,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.47 : 38,623.32 = 25,158.20 : x
  2. Step 2: Convert to fraction form
    25,617.47/38,623.32 = 25,158.20/x
  3. Step 3: Cross multiply
    25,617.47x = 38,623.32 × 25,158.20
  4. Step 4: Simplify right side
    25,617.47x = 971,693,016.11
  5. Step 5: Solve for x
    x = 971,693,016.11/25,617.47
  6. Step 6: Final answer
    x = 37,930.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.