Home / 15,995.00-22,073.13-8,921.88

Finding the Fourth Proportional to 15,995.00, 22,073.13 and 8,921.88

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Solution

The fourth proportional to 15,995.00, 22,073.13 and 8,921.88 is: 12,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.00 : 22,073.13 = 8,921.88 : x
  2. Step 2: Convert to fraction form
    15,995.00/22,073.13 = 8,921.88/x
  3. Step 3: Cross multiply
    15,995.00x = 22,073.13 × 8,921.88
  4. Step 4: Simplify right side
    15,995.00x = 196,933,817.08
  5. Step 5: Solve for x
    x = 196,933,817.08/15,995.00
  6. Step 6: Final answer
    x = 12,312.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.