Home / 19,617.16-29,425.50-9,221.56

Finding the Fourth Proportional to 19,617.16, 29,425.50 and 9,221.56

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Solution

The fourth proportional to 19,617.16, 29,425.50 and 9,221.56 is: 13,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.16 : 29,425.50 = 9,221.56 : x
  2. Step 2: Convert to fraction form
    19,617.16/29,425.50 = 9,221.56/x
  3. Step 3: Cross multiply
    19,617.16x = 29,425.50 × 9,221.56
  4. Step 4: Simplify right side
    19,617.16x = 271,349,013.78
  5. Step 5: Solve for x
    x = 271,349,013.78/19,617.16
  6. Step 6: Final answer
    x = 13,832.23

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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.