Home / 26,515.13-39,772.76-8,047.13

Finding the Fourth Proportional to 26,515.13, 39,772.76 and 8,047.13

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Solution

The fourth proportional to 26,515.13, 39,772.76 and 8,047.13 is: 12,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.13 : 39,772.76 = 8,047.13 : x
  2. Step 2: Convert to fraction form
    26,515.13/39,772.76 = 8,047.13/x
  3. Step 3: Cross multiply
    26,515.13x = 39,772.76 × 8,047.13
  4. Step 4: Simplify right side
    26,515.13x = 320,056,331.08
  5. Step 5: Solve for x
    x = 320,056,331.08/26,515.13
  6. Step 6: Final answer
    x = 12,070.71

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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.