Home / 15,535.20-23,302.80-9,958.35

Finding the Fourth Proportional to 15,535.20, 23,302.80 and 9,958.35

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Solution

The fourth proportional to 15,535.20, 23,302.80 and 9,958.35 is: 14,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.20 : 23,302.80 = 9,958.35 : x
  2. Step 2: Convert to fraction form
    15,535.20/23,302.80 = 9,958.35/x
  3. Step 3: Cross multiply
    15,535.20x = 23,302.80 × 9,958.35
  4. Step 4: Simplify right side
    15,535.20x = 232,057,438.38
  5. Step 5: Solve for x
    x = 232,057,438.38/15,535.20
  6. Step 6: Final answer
    x = 14,937.53

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Double scale
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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.