Home / 15,635.38-21,576.45-8,562.10

Finding the Fourth Proportional to 15,635.38, 21,576.45 and 8,562.10

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Solution

The fourth proportional to 15,635.38, 21,576.45 and 8,562.10 is: 11,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.38 : 21,576.45 = 8,562.10 : x
  2. Step 2: Convert to fraction form
    15,635.38/21,576.45 = 8,562.10/x
  3. Step 3: Cross multiply
    15,635.38x = 21,576.45 × 8,562.10
  4. Step 4: Simplify right side
    15,635.38x = 184,739,722.55
  5. Step 5: Solve for x
    x = 184,739,722.55/15,635.38
  6. Step 6: Final answer
    x = 11,815.49

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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.