Home / 13,224.66-18,253.08-8,500.74

Finding the Fourth Proportional to 13,224.66, 18,253.08 and 8,500.74

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Solution

The fourth proportional to 13,224.66, 18,253.08 and 8,500.74 is: 11,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.66 : 18,253.08 = 8,500.74 : x
  2. Step 2: Convert to fraction form
    13,224.66/18,253.08 = 8,500.74/x
  3. Step 3: Cross multiply
    13,224.66x = 18,253.08 × 8,500.74
  4. Step 4: Simplify right side
    13,224.66x = 155,164,687.28
  5. Step 5: Solve for x
    x = 155,164,687.28/13,224.66
  6. Step 6: Final answer
    x = 11,732.98

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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.