Home / 39,519.11-59,266.32-13,217.69

Finding the Fourth Proportional to 39,519.11, 59,266.32 and 13,217.69

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Solution

The fourth proportional to 39,519.11, 59,266.32 and 13,217.69 is: 19,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519.11 : 59,266.32 = 13,217.69 : x
  2. Step 2: Convert to fraction form
    39,519.11/59,266.32 = 13,217.69/x
  3. Step 3: Cross multiply
    39,519.11x = 59,266.32 × 13,217.69
  4. Step 4: Simplify right side
    39,519.11x = 783,363,845.20
  5. Step 5: Solve for x
    x = 783,363,845.20/39,519.11
  6. Step 6: Final answer
    x = 19,822.41

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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.