Home / 22,575.25-31,154.07-13,621.02

Finding the Fourth Proportional to 22,575.25, 31,154.07 and 13,621.02

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Solution

The fourth proportional to 22,575.25, 31,154.07 and 13,621.02 is: 18,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.25 : 31,154.07 = 13,621.02 : x
  2. Step 2: Convert to fraction form
    22,575.25/31,154.07 = 13,621.02/x
  3. Step 3: Cross multiply
    22,575.25x = 31,154.07 × 13,621.02
  4. Step 4: Simplify right side
    22,575.25x = 424,350,210.55
  5. Step 5: Solve for x
    x = 424,350,210.55/22,575.25
  6. Step 6: Final answer
    x = 18,797.14

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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.