Home / 26,800.11-36,985.83-15,471.69

Finding the Fourth Proportional to 26,800.11, 36,985.83 and 15,471.69

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Solution

The fourth proportional to 26,800.11, 36,985.83 and 15,471.69 is: 21,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800.11 : 36,985.83 = 15,471.69 : x
  2. Step 2: Convert to fraction form
    26,800.11/36,985.83 = 15,471.69/x
  3. Step 3: Cross multiply
    26,800.11x = 36,985.83 × 15,471.69
  4. Step 4: Simplify right side
    26,800.11x = 572,233,296.15
  5. Step 5: Solve for x
    x = 572,233,296.15/26,800.11
  6. Step 6: Final answer
    x = 21,351.90

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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.