Home / 39,518.11-59,264.82-13,216.69

Finding the Fourth Proportional to 39,518.11, 59,264.82 and 13,216.69

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Solution

The fourth proportional to 39,518.11, 59,264.82 and 13,216.69 is: 19,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.11 : 59,264.82 = 13,216.69 : x
  2. Step 2: Convert to fraction form
    39,518.11/59,264.82 = 13,216.69/x
  3. Step 3: Cross multiply
    39,518.11x = 59,264.82 × 13,216.69
  4. Step 4: Simplify right side
    39,518.11x = 783,284,753.85
  5. Step 5: Solve for x
    x = 783,284,753.85/39,518.11
  6. Step 6: Final answer
    x = 19,820.91

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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.