Home / 25,781.34-38,615.85-15,923.10

Finding the Fourth Proportional to 25,781.34, 38,615.85 and 15,923.10

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Solution

The fourth proportional to 25,781.34, 38,615.85 and 15,923.10 is: 23,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.34 : 38,615.85 = 15,923.10 : x
  2. Step 2: Convert to fraction form
    25,781.34/38,615.85 = 15,923.10/x
  3. Step 3: Cross multiply
    25,781.34x = 38,615.85 × 15,923.10
  4. Step 4: Simplify right side
    25,781.34x = 614,884,041.14
  5. Step 5: Solve for x
    x = 614,884,041.14/25,781.34
  6. Step 6: Final answer
    x = 23,849.96

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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.