Home / 25,458.91-35,108.89-15,248.31

Finding the Fourth Proportional to 25,458.91, 35,108.89 and 15,248.31

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Solution

The fourth proportional to 25,458.91, 35,108.89 and 15,248.31 is: 21,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.91 : 35,108.89 = 15,248.31 : x
  2. Step 2: Convert to fraction form
    25,458.91/35,108.89 = 15,248.31/x
  3. Step 3: Cross multiply
    25,458.91x = 35,108.89 × 15,248.31
  4. Step 4: Simplify right side
    25,458.91x = 535,351,082.66
  5. Step 5: Solve for x
    x = 535,351,082.66/25,458.91
  6. Step 6: Final answer
    x = 21,028.04

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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.