Home / 15,133.20-22,699.80-9,293.10

Finding the Fourth Proportional to 15,133.20, 22,699.80 and 9,293.10

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Solution

The fourth proportional to 15,133.20, 22,699.80 and 9,293.10 is: 13,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.20 : 22,699.80 = 9,293.10 : x
  2. Step 2: Convert to fraction form
    15,133.20/22,699.80 = 9,293.10/x
  3. Step 3: Cross multiply
    15,133.20x = 22,699.80 × 9,293.10
  4. Step 4: Simplify right side
    15,133.20x = 210,951,511.38
  5. Step 5: Solve for x
    x = 210,951,511.38/15,133.20
  6. Step 6: Final answer
    x = 13,939.65

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Similar ratio
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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.