Home / 18,298.85-25,243.13-11,573.15

Finding the Fourth Proportional to 18,298.85, 25,243.13 and 11,573.15

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Solution

The fourth proportional to 18,298.85, 25,243.13 and 11,573.15 is: 15,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.85 : 25,243.13 = 11,573.15 : x
  2. Step 2: Convert to fraction form
    18,298.85/25,243.13 = 11,573.15/x
  3. Step 3: Cross multiply
    18,298.85x = 25,243.13 × 11,573.15
  4. Step 4: Simplify right side
    18,298.85x = 292,142,432.68
  5. Step 5: Solve for x
    x = 292,142,432.68/18,298.85
  6. Step 6: Final answer
    x = 15,965.07

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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.