Home / 19,631.25-29,452.55-5,780.25

Finding the Fourth Proportional to 19,631.25, 29,452.55 and 5,780.25

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Solution

The fourth proportional to 19,631.25, 29,452.55 and 5,780.25 is: 8,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.25 : 29,452.55 = 5,780.25 : x
  2. Step 2: Convert to fraction form
    19,631.25/29,452.55 = 5,780.25/x
  3. Step 3: Cross multiply
    19,631.25x = 29,452.55 × 5,780.25
  4. Step 4: Simplify right side
    19,631.25x = 170,243,073.24
  5. Step 5: Solve for x
    x = 170,243,073.24/19,631.25
  6. Step 6: Final answer
    x = 8,672.04

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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.