Home / 15,723.10-23,548.20-10,765.90

Finding the Fourth Proportional to 15,723.10, 23,548.20 and 10,765.90

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Solution

The fourth proportional to 15,723.10, 23,548.20 and 10,765.90 is: 16,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.10 : 23,548.20 = 10,765.90 : x
  2. Step 2: Convert to fraction form
    15,723.10/23,548.20 = 10,765.90/x
  3. Step 3: Cross multiply
    15,723.10x = 23,548.20 × 10,765.90
  4. Step 4: Simplify right side
    15,723.10x = 253,517,566.38
  5. Step 5: Solve for x
    x = 253,517,566.38/15,723.10
  6. Step 6: Final answer
    x = 16,123.89

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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.