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Finding the Fourth Proportional to 15,952.68, 23,921.58 and 8,555.40

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Solution

The fourth proportional to 15,952.68, 23,921.58 and 8,555.40 is: 12,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.68 : 23,921.58 = 8,555.40 : x
  2. Step 2: Convert to fraction form
    15,952.68/23,921.58 = 8,555.40/x
  3. Step 3: Cross multiply
    15,952.68x = 23,921.58 × 8,555.40
  4. Step 4: Simplify right side
    15,952.68x = 204,658,685.53
  5. Step 5: Solve for x
    x = 204,658,685.53/15,952.68
  6. Step 6: Final answer
    x = 12,829.11

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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.