Home / 19,064.11-28,613.86-13,732.79

Finding the Fourth Proportional to 19,064.11, 28,613.86 and 13,732.79

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Solution

The fourth proportional to 19,064.11, 28,613.86 and 13,732.79 is: 20,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.11 : 28,613.86 = 13,732.79 : x
  2. Step 2: Convert to fraction form
    19,064.11/28,613.86 = 13,732.79/x
  3. Step 3: Cross multiply
    19,064.11x = 28,613.86 × 13,732.79
  4. Step 4: Simplify right side
    19,064.11x = 392,948,114.02
  5. Step 5: Solve for x
    x = 392,948,114.02/19,064.11
  6. Step 6: Final answer
    x = 20,611.93

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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.