Home / 25,161.71-34,723.55-13,831.70

Finding the Fourth Proportional to 25,161.71, 34,723.55 and 13,831.70

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Solution

The fourth proportional to 25,161.71, 34,723.55 and 13,831.70 is: 19,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.71 : 34,723.55 = 13,831.70 : x
  2. Step 2: Convert to fraction form
    25,161.71/34,723.55 = 13,831.70/x
  3. Step 3: Cross multiply
    25,161.71x = 34,723.55 × 13,831.70
  4. Step 4: Simplify right side
    25,161.71x = 480,285,587.50
  5. Step 5: Solve for x
    x = 480,285,587.50/25,161.71
  6. Step 6: Final answer
    x = 19,087.96

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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.