Home / 25,751.10-38,616.92-11,890.38

Finding the Fourth Proportional to 25,751.10, 38,616.92 and 11,890.38

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Solution

The fourth proportional to 25,751.10, 38,616.92 and 11,890.38 is: 17,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.10 : 38,616.92 = 11,890.38 : x
  2. Step 2: Convert to fraction form
    25,751.10/38,616.92 = 11,890.38/x
  3. Step 3: Cross multiply
    25,751.10x = 38,616.92 × 11,890.38
  4. Step 4: Simplify right side
    25,751.10x = 459,169,660.15
  5. Step 5: Solve for x
    x = 459,169,660.15/25,751.10
  6. Step 6: Final answer
    x = 17,831.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.