Home / 39,972.36-59,959.50-13,676.92

Finding the Fourth Proportional to 39,972.36, 59,959.50 and 13,676.92

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Solution

The fourth proportional to 39,972.36, 59,959.50 and 13,676.92 is: 20,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.36 : 59,959.50 = 13,676.92 : x
  2. Step 2: Convert to fraction form
    39,972.36/59,959.50 = 13,676.92/x
  3. Step 3: Cross multiply
    39,972.36x = 59,959.50 × 13,676.92
  4. Step 4: Simplify right side
    39,972.36x = 820,061,284.74
  5. Step 5: Solve for x
    x = 820,061,284.74/39,972.36
  6. Step 6: Final answer
    x = 20,515.71

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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.