Home / 19,983.28-29,970.06-9,452.88

Finding the Fourth Proportional to 19,983.28, 29,970.06 and 9,452.88

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Solution

The fourth proportional to 19,983.28, 29,970.06 and 9,452.88 is: 14,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.28 : 29,970.06 = 9,452.88 : x
  2. Step 2: Convert to fraction form
    19,983.28/29,970.06 = 9,452.88/x
  3. Step 3: Cross multiply
    19,983.28x = 29,970.06 × 9,452.88
  4. Step 4: Simplify right side
    19,983.28x = 283,303,380.77
  5. Step 5: Solve for x
    x = 283,303,380.77/19,983.28
  6. Step 6: Final answer
    x = 14,177.02

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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.