Home / 22,127.17-30,565.34-20,552.53

Finding the Fourth Proportional to 22,127.17, 30,565.34 and 20,552.53

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Solution

The fourth proportional to 22,127.17, 30,565.34 and 20,552.53 is: 28,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.17 : 30,565.34 = 20,552.53 : x
  2. Step 2: Convert to fraction form
    22,127.17/30,565.34 = 20,552.53/x
  3. Step 3: Cross multiply
    22,127.17x = 30,565.34 × 20,552.53
  4. Step 4: Simplify right side
    22,127.17x = 628,194,964.55
  5. Step 5: Solve for x
    x = 628,194,964.55/22,127.17
  6. Step 6: Final answer
    x = 28,390.21

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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.