Home / 19,631.47-29,442.78-5,591.19

Finding the Fourth Proportional to 19,631.47, 29,442.78 and 5,591.19

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Solution

The fourth proportional to 19,631.47, 29,442.78 and 5,591.19 is: 8,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.47 : 29,442.78 = 5,591.19 : x
  2. Step 2: Convert to fraction form
    19,631.47/29,442.78 = 5,591.19/x
  3. Step 3: Cross multiply
    19,631.47x = 29,442.78 × 5,591.19
  4. Step 4: Simplify right side
    19,631.47x = 164,620,177.11
  5. Step 5: Solve for x
    x = 164,620,177.11/19,631.47
  6. Step 6: Final answer
    x = 8,385.52

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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.