Home / 17,831.40-26,747.10-12,301.80

Finding the Fourth Proportional to 17,831.40, 26,747.10 and 12,301.80

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Solution

The fourth proportional to 17,831.40, 26,747.10 and 12,301.80 is: 18,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.40 : 26,747.10 = 12,301.80 : x
  2. Step 2: Convert to fraction form
    17,831.40/26,747.10 = 12,301.80/x
  3. Step 3: Cross multiply
    17,831.40x = 26,747.10 × 12,301.80
  4. Step 4: Simplify right side
    17,831.40x = 329,037,474.78
  5. Step 5: Solve for x
    x = 329,037,474.78/17,831.40
  6. Step 6: Final answer
    x = 18,452.70

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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.