Home / 26,122.80-36,057.66-16,691.40

Finding the Fourth Proportional to 26,122.80, 36,057.66 and 16,691.40

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Solution

The fourth proportional to 26,122.80, 36,057.66 and 16,691.40 is: 23,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.80 : 36,057.66 = 16,691.40 : x
  2. Step 2: Convert to fraction form
    26,122.80/36,057.66 = 16,691.40/x
  3. Step 3: Cross multiply
    26,122.80x = 36,057.66 × 16,691.40
  4. Step 4: Simplify right side
    26,122.80x = 601,852,826.12
  5. Step 5: Solve for x
    x = 601,852,826.12/26,122.80
  6. Step 6: Final answer
    x = 23,039.37

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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.