Home / 13,314.60-18,367.20-10,799.64

Finding the Fourth Proportional to 13,314.60, 18,367.20 and 10,799.64

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Solution

The fourth proportional to 13,314.60, 18,367.20 and 10,799.64 is: 14,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.60 : 18,367.20 = 10,799.64 : x
  2. Step 2: Convert to fraction form
    13,314.60/18,367.20 = 10,799.64/x
  3. Step 3: Cross multiply
    13,314.60x = 18,367.20 × 10,799.64
  4. Step 4: Simplify right side
    13,314.60x = 198,359,147.81
  5. Step 5: Solve for x
    x = 198,359,147.81/13,314.60
  6. Step 6: Final answer
    x = 14,897.87

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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.