Home / 19,552.80-29,329.26-4,761.72

Finding the Fourth Proportional to 19,552.80, 29,329.26 and 4,761.72

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Solution

The fourth proportional to 19,552.80, 29,329.26 and 4,761.72 is: 7,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.80 : 29,329.26 = 4,761.72 : x
  2. Step 2: Convert to fraction form
    19,552.80/29,329.26 = 4,761.72/x
  3. Step 3: Cross multiply
    19,552.80x = 29,329.26 × 4,761.72
  4. Step 4: Simplify right side
    19,552.80x = 139,657,723.93
  5. Step 5: Solve for x
    x = 139,657,723.93/19,552.80
  6. Step 6: Final answer
    x = 7,142.59

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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.