Home / 26,171.10-36,116.25-15,560.81

Finding the Fourth Proportional to 26,171.10, 36,116.25 and 15,560.81

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Solution

The fourth proportional to 26,171.10, 36,116.25 and 15,560.81 is: 21,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,171.10 : 36,116.25 = 15,560.81 : x
  2. Step 2: Convert to fraction form
    26,171.10/36,116.25 = 15,560.81/x
  3. Step 3: Cross multiply
    26,171.10x = 36,116.25 × 15,560.81
  4. Step 4: Simplify right side
    26,171.10x = 561,998,000.66
  5. Step 5: Solve for x
    x = 561,998,000.66/26,171.10
  6. Step 6: Final answer
    x = 21,473.99

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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.