Home / 25,161.89-34,723.85-13,831.86

Finding the Fourth Proportional to 25,161.89, 34,723.85 and 13,831.86

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Solution

The fourth proportional to 25,161.89, 34,723.85 and 13,831.86 is: 19,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.89 : 34,723.85 = 13,831.86 : x
  2. Step 2: Convert to fraction form
    25,161.89/34,723.85 = 13,831.86/x
  3. Step 3: Cross multiply
    25,161.89x = 34,723.85 × 13,831.86
  4. Step 4: Simplify right side
    25,161.89x = 480,295,531.82
  5. Step 5: Solve for x
    x = 480,295,531.82/25,161.89
  6. Step 6: Final answer
    x = 19,088.21

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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.