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Finding the Fourth Proportional to 14,669.73, 20,244.06 and 7,955.24

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Solution

The fourth proportional to 14,669.73, 20,244.06 and 7,955.24 is: 10,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.73 : 20,244.06 = 7,955.24 : x
  2. Step 2: Convert to fraction form
    14,669.73/20,244.06 = 7,955.24/x
  3. Step 3: Cross multiply
    14,669.73x = 20,244.06 × 7,955.24
  4. Step 4: Simplify right side
    14,669.73x = 161,046,254.65
  5. Step 5: Solve for x
    x = 161,046,254.65/14,669.73
  6. Step 6: Final answer
    x = 10,978.13

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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.