Home / 13,248.20-18,276.06-7,941.08

Finding the Fourth Proportional to 13,248.20, 18,276.06 and 7,941.08

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Solution

The fourth proportional to 13,248.20, 18,276.06 and 7,941.08 is: 10,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.20 : 18,276.06 = 7,941.08 : x
  2. Step 2: Convert to fraction form
    13,248.20/18,276.06 = 7,941.08/x
  3. Step 3: Cross multiply
    13,248.20x = 18,276.06 × 7,941.08
  4. Step 4: Simplify right side
    13,248.20x = 145,131,654.54
  5. Step 5: Solve for x
    x = 145,131,654.54/13,248.20
  6. Step 6: Final answer
    x = 10,954.82

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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.