Home / 18,475.55-25,496.28-10,517.77

Finding the Fourth Proportional to 18,475.55, 25,496.28 and 10,517.77

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Solution

The fourth proportional to 18,475.55, 25,496.28 and 10,517.77 is: 14,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.55 : 25,496.28 = 10,517.77 : x
  2. Step 2: Convert to fraction form
    18,475.55/25,496.28 = 10,517.77/x
  3. Step 3: Cross multiply
    18,475.55x = 25,496.28 × 10,517.77
  4. Step 4: Simplify right side
    18,475.55x = 268,164,040.77
  5. Step 5: Solve for x
    x = 268,164,040.77/18,475.55
  6. Step 6: Final answer
    x = 14,514.54

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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.