Home / 14,801.26-20,425.50-8,086.74

Finding the Fourth Proportional to 14,801.26, 20,425.50 and 8,086.74

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Solution

The fourth proportional to 14,801.26, 20,425.50 and 8,086.74 is: 11,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.26 : 20,425.50 = 8,086.74 : x
  2. Step 2: Convert to fraction form
    14,801.26/20,425.50 = 8,086.74/x
  3. Step 3: Cross multiply
    14,801.26x = 20,425.50 × 8,086.74
  4. Step 4: Simplify right side
    14,801.26x = 165,175,711.16
  5. Step 5: Solve for x
    x = 165,175,711.16/14,801.26
  6. Step 6: Final answer
    x = 11,159.57

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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.