Home / 26,609.16-39,938.28-13,470.84

Finding the Fourth Proportional to 26,609.16, 39,938.28 and 13,470.84

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Solution

The fourth proportional to 26,609.16, 39,938.28 and 13,470.84 is: 20,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.16 : 39,938.28 = 13,470.84 : x
  2. Step 2: Convert to fraction form
    26,609.16/39,938.28 = 13,470.84/x
  3. Step 3: Cross multiply
    26,609.16x = 39,938.28 × 13,470.84
  4. Step 4: Simplify right side
    26,609.16x = 538,002,179.76
  5. Step 5: Solve for x
    x = 538,002,179.76/26,609.16
  6. Step 6: Final answer
    x = 20,218.68

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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.