Home / 14,514.27-21,781.10-5,280.27

Finding the Fourth Proportional to 14,514.27, 21,781.10 and 5,280.27

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Solution

The fourth proportional to 14,514.27, 21,781.10 and 5,280.27 is: 7,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.27 : 21,781.10 = 5,280.27 : x
  2. Step 2: Convert to fraction form
    14,514.27/21,781.10 = 5,280.27/x
  3. Step 3: Cross multiply
    14,514.27x = 21,781.10 × 5,280.27
  4. Step 4: Simplify right side
    14,514.27x = 115,010,088.90
  5. Step 5: Solve for x
    x = 115,010,088.90/14,514.27
  6. Step 6: Final answer
    x = 7,923.93

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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.