Home / 25,162.88-34,722.66-13,831.76

Finding the Fourth Proportional to 25,162.88, 34,722.66 and 13,831.76

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Solution

The fourth proportional to 25,162.88, 34,722.66 and 13,831.76 is: 19,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.88 : 34,722.66 = 13,831.76 : x
  2. Step 2: Convert to fraction form
    25,162.88/34,722.66 = 13,831.76/x
  3. Step 3: Cross multiply
    25,162.88x = 34,722.66 × 13,831.76
  4. Step 4: Simplify right side
    25,162.88x = 480,275,499.68
  5. Step 5: Solve for x
    x = 480,275,499.68/25,162.88
  6. Step 6: Final answer
    x = 19,086.67

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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.