Home / 25,410.78-35,061.87-15,973.86

Finding the Fourth Proportional to 25,410.78, 35,061.87 and 15,973.86

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Solution

The fourth proportional to 25,410.78, 35,061.87 and 15,973.86 is: 22,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.78 : 35,061.87 = 15,973.86 : x
  2. Step 2: Convert to fraction form
    25,410.78/35,061.87 = 15,973.86/x
  3. Step 3: Cross multiply
    25,410.78x = 35,061.87 × 15,973.86
  4. Step 4: Simplify right side
    25,410.78x = 560,073,402.72
  5. Step 5: Solve for x
    x = 560,073,402.72/25,410.78
  6. Step 6: Final answer
    x = 22,040.78

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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.