Home / 25,921.76-38,859.51-10,123.13

Finding the Fourth Proportional to 25,921.76, 38,859.51 and 10,123.13

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Solution

The fourth proportional to 25,921.76, 38,859.51 and 10,123.13 is: 15,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.76 : 38,859.51 = 10,123.13 : x
  2. Step 2: Convert to fraction form
    25,921.76/38,859.51 = 10,123.13/x
  3. Step 3: Cross multiply
    25,921.76x = 38,859.51 × 10,123.13
  4. Step 4: Simplify right side
    25,921.76x = 393,379,871.47
  5. Step 5: Solve for x
    x = 393,379,871.47/25,921.76
  6. Step 6: Final answer
    x = 15,175.66

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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.