Home / 19,712.40-29,572.48-7,232.52

Finding the Fourth Proportional to 19,712.40, 29,572.48 and 7,232.52

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Solution

The fourth proportional to 19,712.40, 29,572.48 and 7,232.52 is: 10,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.40 : 29,572.48 = 7,232.52 : x
  2. Step 2: Convert to fraction form
    19,712.40/29,572.48 = 7,232.52/x
  3. Step 3: Cross multiply
    19,712.40x = 29,572.48 × 7,232.52
  4. Step 4: Simplify right side
    19,712.40x = 213,883,553.05
  5. Step 5: Solve for x
    x = 213,883,553.05/19,712.40
  6. Step 6: Final answer
    x = 10,850.20

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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.