Home / 14,936.40-20,613.56-8,565.24

Finding the Fourth Proportional to 14,936.40, 20,613.56 and 8,565.24

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Solution

The fourth proportional to 14,936.40, 20,613.56 and 8,565.24 is: 11,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.40 : 20,613.56 = 8,565.24 : x
  2. Step 2: Convert to fraction form
    14,936.40/20,613.56 = 8,565.24/x
  3. Step 3: Cross multiply
    14,936.40x = 20,613.56 × 8,565.24
  4. Step 4: Simplify right side
    14,936.40x = 176,560,123.13
  5. Step 5: Solve for x
    x = 176,560,123.13/14,936.40
  6. Step 6: Final answer
    x = 11,820.80

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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.