Home / 18,610.18-25,686.07-11,446.16

Finding the Fourth Proportional to 18,610.18, 25,686.07 and 11,446.16

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Solution

The fourth proportional to 18,610.18, 25,686.07 and 11,446.16 is: 15,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.18 : 25,686.07 = 11,446.16 : x
  2. Step 2: Convert to fraction form
    18,610.18/25,686.07 = 11,446.16/x
  3. Step 3: Cross multiply
    18,610.18x = 25,686.07 × 11,446.16
  4. Step 4: Simplify right side
    18,610.18x = 294,006,709.95
  5. Step 5: Solve for x
    x = 294,006,709.95/18,610.18
  6. Step 6: Final answer
    x = 15,798.17

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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.