Home / 13,101.24-18,060.60-9,951.96

Finding the Fourth Proportional to 13,101.24, 18,060.60 and 9,951.96

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Solution

The fourth proportional to 13,101.24, 18,060.60 and 9,951.96 is: 13,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.24 : 18,060.60 = 9,951.96 : x
  2. Step 2: Convert to fraction form
    13,101.24/18,060.60 = 9,951.96/x
  3. Step 3: Cross multiply
    13,101.24x = 18,060.60 × 9,951.96
  4. Step 4: Simplify right side
    13,101.24x = 179,738,368.78
  5. Step 5: Solve for x
    x = 179,738,368.78/13,101.24
  6. Step 6: Final answer
    x = 13,719.19

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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.