Home / 18,729.89-25,847.16-10,346.39

Finding the Fourth Proportional to 18,729.89, 25,847.16 and 10,346.39

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Solution

The fourth proportional to 18,729.89, 25,847.16 and 10,346.39 is: 14,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.89 : 25,847.16 = 10,346.39 : x
  2. Step 2: Convert to fraction form
    18,729.89/25,847.16 = 10,346.39/x
  3. Step 3: Cross multiply
    18,729.89x = 25,847.16 × 10,346.39
  4. Step 4: Simplify right side
    18,729.89x = 267,424,668.52
  5. Step 5: Solve for x
    x = 267,424,668.52/18,729.89
  6. Step 6: Final answer
    x = 14,277.97

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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.