Home / 25,470.28-35,146.20-14,711.86

Finding the Fourth Proportional to 25,470.28, 35,146.20 and 14,711.86

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Solution

The fourth proportional to 25,470.28, 35,146.20 and 14,711.86 is: 20,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.28 : 35,146.20 = 14,711.86 : x
  2. Step 2: Convert to fraction form
    25,470.28/35,146.20 = 14,711.86/x
  3. Step 3: Cross multiply
    25,470.28x = 35,146.20 × 14,711.86
  4. Step 4: Simplify right side
    25,470.28x = 517,065,973.93
  5. Step 5: Solve for x
    x = 517,065,973.93/25,470.28
  6. Step 6: Final answer
    x = 20,300.76

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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.