Home / 26,156.16-39,234.24-7,686.72

Finding the Fourth Proportional to 26,156.16, 39,234.24 and 7,686.72

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Solution

The fourth proportional to 26,156.16, 39,234.24 and 7,686.72 is: 11,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.16 : 39,234.24 = 7,686.72 : x
  2. Step 2: Convert to fraction form
    26,156.16/39,234.24 = 7,686.72/x
  3. Step 3: Cross multiply
    26,156.16x = 39,234.24 × 7,686.72
  4. Step 4: Simplify right side
    26,156.16x = 301,582,617.29
  5. Step 5: Solve for x
    x = 301,582,617.29/26,156.16
  6. Step 6: Final answer
    x = 11,530.08

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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.