Home / 18,679.60-25,777.38-10,295.92

Finding the Fourth Proportional to 18,679.60, 25,777.38 and 10,295.92

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Solution

The fourth proportional to 18,679.60, 25,777.38 and 10,295.92 is: 14,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.60 : 25,777.38 = 10,295.92 : x
  2. Step 2: Convert to fraction form
    18,679.60/25,777.38 = 10,295.92/x
  3. Step 3: Cross multiply
    18,679.60x = 25,777.38 × 10,295.92
  4. Step 4: Simplify right side
    18,679.60x = 265,401,842.29
  5. Step 5: Solve for x
    x = 265,401,842.29/18,679.60
  6. Step 6: Final answer
    x = 14,208.11

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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.