Home / 22,059.62-30,442.40-11,988.14

Finding the Fourth Proportional to 22,059.62, 30,442.40 and 11,988.14

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Solution

The fourth proportional to 22,059.62, 30,442.40 and 11,988.14 is: 16,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.62 : 30,442.40 = 11,988.14 : x
  2. Step 2: Convert to fraction form
    22,059.62/30,442.40 = 11,988.14/x
  3. Step 3: Cross multiply
    22,059.62x = 30,442.40 × 11,988.14
  4. Step 4: Simplify right side
    22,059.62x = 364,947,693.20
  5. Step 5: Solve for x
    x = 364,947,693.20/22,059.62
  6. Step 6: Final answer
    x = 16,543.70

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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.