Home / 14,114.68-21,172.02-3,726.52

Finding the Fourth Proportional to 14,114.68, 21,172.02 and 3,726.52

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Solution

The fourth proportional to 14,114.68, 21,172.02 and 3,726.52 is: 5,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.68 : 21,172.02 = 3,726.52 : x
  2. Step 2: Convert to fraction form
    14,114.68/21,172.02 = 3,726.52/x
  3. Step 3: Cross multiply
    14,114.68x = 21,172.02 × 3,726.52
  4. Step 4: Simplify right side
    14,114.68x = 78,897,955.97
  5. Step 5: Solve for x
    x = 78,897,955.97/14,114.68
  6. Step 6: Final answer
    x = 5,589.78

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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.