Home / 26,218.92-39,321.51-17,897.40

Finding the Fourth Proportional to 26,218.92, 39,321.51 and 17,897.40

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Solution

The fourth proportional to 26,218.92, 39,321.51 and 17,897.40 is: 26,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.92 : 39,321.51 = 17,897.40 : x
  2. Step 2: Convert to fraction form
    26,218.92/39,321.51 = 17,897.40/x
  3. Step 3: Cross multiply
    26,218.92x = 39,321.51 × 17,897.40
  4. Step 4: Simplify right side
    26,218.92x = 703,752,793.07
  5. Step 5: Solve for x
    x = 703,752,793.07/26,218.92
  6. Step 6: Final answer
    x = 26,841.41

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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.