Home / 26,785.50-36,963.99-15,609.66

Finding the Fourth Proportional to 26,785.50, 36,963.99 and 15,609.66

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Solution

The fourth proportional to 26,785.50, 36,963.99 and 15,609.66 is: 21,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.50 : 36,963.99 = 15,609.66 : x
  2. Step 2: Convert to fraction form
    26,785.50/36,963.99 = 15,609.66/x
  3. Step 3: Cross multiply
    26,785.50x = 36,963.99 × 15,609.66
  4. Step 4: Simplify right side
    26,785.50x = 576,995,316.14
  5. Step 5: Solve for x
    x = 576,995,316.14/26,785.50
  6. Step 6: Final answer
    x = 21,541.33

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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.