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Finding the Fourth Proportional to 13,955.92, 19,251.48 and 8,842.08

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Solution

The fourth proportional to 13,955.92, 19,251.48 and 8,842.08 is: 12,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.92 : 19,251.48 = 8,842.08 : x
  2. Step 2: Convert to fraction form
    13,955.92/19,251.48 = 8,842.08/x
  3. Step 3: Cross multiply
    13,955.92x = 19,251.48 × 8,842.08
  4. Step 4: Simplify right side
    13,955.92x = 170,223,126.28
  5. Step 5: Solve for x
    x = 170,223,126.28/13,955.92
  6. Step 6: Final answer
    x = 12,197.20

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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.