Home / 18,900.48-26,082.24-10,517.76

Finding the Fourth Proportional to 18,900.48, 26,082.24 and 10,517.76

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Solution

The fourth proportional to 18,900.48, 26,082.24 and 10,517.76 is: 14,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.48 : 26,082.24 = 10,517.76 : x
  2. Step 2: Convert to fraction form
    18,900.48/26,082.24 = 10,517.76/x
  3. Step 3: Cross multiply
    18,900.48x = 26,082.24 × 10,517.76
  4. Step 4: Simplify right side
    18,900.48x = 274,326,740.58
  5. Step 5: Solve for x
    x = 274,326,740.58/18,900.48
  6. Step 6: Final answer
    x = 14,514.27

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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.