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Finding the Fourth Proportional to 16,623.68, 22,940.04 and 9,453.87

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Solution

The fourth proportional to 16,623.68, 22,940.04 and 9,453.87 is: 13,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.68 : 22,940.04 = 9,453.87 : x
  2. Step 2: Convert to fraction form
    16,623.68/22,940.04 = 9,453.87/x
  3. Step 3: Cross multiply
    16,623.68x = 22,940.04 × 9,453.87
  4. Step 4: Simplify right side
    16,623.68x = 216,872,155.95
  5. Step 5: Solve for x
    x = 216,872,155.95/16,623.68
  6. Step 6: Final answer
    x = 13,045.98

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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.