Home / 26,116.40-39,200.20-12,983.60

Finding the Fourth Proportional to 26,116.40, 39,200.20 and 12,983.60

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Solution

The fourth proportional to 26,116.40, 39,200.20 and 12,983.60 is: 19,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.40 : 39,200.20 = 12,983.60 : x
  2. Step 2: Convert to fraction form
    26,116.40/39,200.20 = 12,983.60/x
  3. Step 3: Cross multiply
    26,116.40x = 39,200.20 × 12,983.60
  4. Step 4: Simplify right side
    26,116.40x = 508,959,716.72
  5. Step 5: Solve for x
    x = 508,959,716.72/26,116.40
  6. Step 6: Final answer
    x = 19,488.13

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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.