Home / 13,177.60-18,191.70-10,186.68

Finding the Fourth Proportional to 13,177.60, 18,191.70 and 10,186.68

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Solution

The fourth proportional to 13,177.60, 18,191.70 and 10,186.68 is: 14,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.60 : 18,191.70 = 10,186.68 : x
  2. Step 2: Convert to fraction form
    13,177.60/18,191.70 = 10,186.68/x
  3. Step 3: Cross multiply
    13,177.60x = 18,191.70 × 10,186.68
  4. Step 4: Simplify right side
    13,177.60x = 185,313,026.56
  5. Step 5: Solve for x
    x = 185,313,026.56/13,177.60
  6. Step 6: Final answer
    x = 14,062.73

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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.