Home / 19,765.97-29,648.89-7,925.04

Finding the Fourth Proportional to 19,765.97, 29,648.89 and 7,925.04

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Solution

The fourth proportional to 19,765.97, 29,648.89 and 7,925.04 is: 11,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.97 : 29,648.89 = 7,925.04 : x
  2. Step 2: Convert to fraction form
    19,765.97/29,648.89 = 7,925.04/x
  3. Step 3: Cross multiply
    19,765.97x = 29,648.89 × 7,925.04
  4. Step 4: Simplify right side
    19,765.97x = 234,968,604.53
  5. Step 5: Solve for x
    x = 234,968,604.53/19,765.97
  6. Step 6: Final answer
    x = 11,887.53

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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.