Home / 22,155.97-30,577.05-12,598.85

Finding the Fourth Proportional to 22,155.97, 30,577.05 and 12,598.85

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Solution

The fourth proportional to 22,155.97, 30,577.05 and 12,598.85 is: 17,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.97 : 30,577.05 = 12,598.85 : x
  2. Step 2: Convert to fraction form
    22,155.97/30,577.05 = 12,598.85/x
  3. Step 3: Cross multiply
    22,155.97x = 30,577.05 × 12,598.85
  4. Step 4: Simplify right side
    22,155.97x = 385,235,666.39
  5. Step 5: Solve for x
    x = 385,235,666.39/22,155.97
  6. Step 6: Final answer
    x = 17,387.44

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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.