Home / 15,974.28-22,044.96-8,900.64

Finding the Fourth Proportional to 15,974.28, 22,044.96 and 8,900.64

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Solution

The fourth proportional to 15,974.28, 22,044.96 and 8,900.64 is: 12,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974.28 : 22,044.96 = 8,900.64 : x
  2. Step 2: Convert to fraction form
    15,974.28/22,044.96 = 8,900.64/x
  3. Step 3: Cross multiply
    15,974.28x = 22,044.96 × 8,900.64
  4. Step 4: Simplify right side
    15,974.28x = 196,214,252.77
  5. Step 5: Solve for x
    x = 196,214,252.77/15,974.28
  6. Step 6: Final answer
    x = 12,283.14

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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.