Home / 15,956.20-22,019.34-8,882.92

Finding the Fourth Proportional to 15,956.20, 22,019.34 and 8,882.92

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Solution

The fourth proportional to 15,956.20, 22,019.34 and 8,882.92 is: 12,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.20 : 22,019.34 = 8,882.92 : x
  2. Step 2: Convert to fraction form
    15,956.20/22,019.34 = 8,882.92/x
  3. Step 3: Cross multiply
    15,956.20x = 22,019.34 × 8,882.92
  4. Step 4: Simplify right side
    15,956.20x = 195,596,035.67
  5. Step 5: Solve for x
    x = 195,596,035.67/15,956.20
  6. Step 6: Final answer
    x = 12,258.31

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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.