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Finding the Fourth Proportional to 16,823.32, 25,211.18 and 9,330.18

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Solution

The fourth proportional to 16,823.32, 25,211.18 and 9,330.18 is: 13,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.32 : 25,211.18 = 9,330.18 : x
  2. Step 2: Convert to fraction form
    16,823.32/25,211.18 = 9,330.18/x
  3. Step 3: Cross multiply
    16,823.32x = 25,211.18 × 9,330.18
  4. Step 4: Simplify right side
    16,823.32x = 235,224,723.71
  5. Step 5: Solve for x
    x = 235,224,723.71/16,823.32
  6. Step 6: Final answer
    x = 13,982.07

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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.