Home / 26,109.27-36,040.12-15,498.88

Finding the Fourth Proportional to 26,109.27, 36,040.12 and 15,498.88

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Solution

The fourth proportional to 26,109.27, 36,040.12 and 15,498.88 is: 21,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.27 : 36,040.12 = 15,498.88 : x
  2. Step 2: Convert to fraction form
    26,109.27/36,040.12 = 15,498.88/x
  3. Step 3: Cross multiply
    26,109.27x = 36,040.12 × 15,498.88
  4. Step 4: Simplify right side
    26,109.27x = 558,581,366.22
  5. Step 5: Solve for x
    x = 558,581,366.22/26,109.27
  6. Step 6: Final answer
    x = 21,393.99

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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.