Home / 26,632.40-39,921.56-17,278.41

Finding the Fourth Proportional to 26,632.40, 39,921.56 and 17,278.41

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Solution

The fourth proportional to 26,632.40, 39,921.56 and 17,278.41 is: 25,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,632.40 : 39,921.56 = 17,278.41 : x
  2. Step 2: Convert to fraction form
    26,632.40/39,921.56 = 17,278.41/x
  3. Step 3: Cross multiply
    26,632.40x = 39,921.56 × 17,278.41
  4. Step 4: Simplify right side
    26,632.40x = 689,781,209.63
  5. Step 5: Solve for x
    x = 689,781,209.63/26,632.40
  6. Step 6: Final answer
    x = 25,900.08

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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.