Home / 15,672.24-21,626.87-8,956.98

Finding the Fourth Proportional to 15,672.24, 21,626.87 and 8,956.98

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Solution

The fourth proportional to 15,672.24, 21,626.87 and 8,956.98 is: 12,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.24 : 21,626.87 = 8,956.98 : x
  2. Step 2: Convert to fraction form
    15,672.24/21,626.87 = 8,956.98/x
  3. Step 3: Cross multiply
    15,672.24x = 21,626.87 × 8,956.98
  4. Step 4: Simplify right side
    15,672.24x = 193,711,397.27
  5. Step 5: Solve for x
    x = 193,711,397.27/15,672.24
  6. Step 6: Final answer
    x = 12,360.16

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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.