Home / 18,900.72-26,084.16-10,517.22

Finding the Fourth Proportional to 18,900.72, 26,084.16 and 10,517.22

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Solution

The fourth proportional to 18,900.72, 26,084.16 and 10,517.22 is: 14,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.72 : 26,084.16 = 10,517.22 : x
  2. Step 2: Convert to fraction form
    18,900.72/26,084.16 = 10,517.22/x
  3. Step 3: Cross multiply
    18,900.72x = 26,084.16 × 10,517.22
  4. Step 4: Simplify right side
    18,900.72x = 274,332,849.24
  5. Step 5: Solve for x
    x = 274,332,849.24/18,900.72
  6. Step 6: Final answer
    x = 14,514.41

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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.