Home / 15,518.32-23,277.21-3,831.55

Finding the Fourth Proportional to 15,518.32, 23,277.21 and 3,831.55

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Solution

The fourth proportional to 15,518.32, 23,277.21 and 3,831.55 is: 5,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.32 : 23,277.21 = 3,831.55 : x
  2. Step 2: Convert to fraction form
    15,518.32/23,277.21 = 3,831.55/x
  3. Step 3: Cross multiply
    15,518.32x = 23,277.21 × 3,831.55
  4. Step 4: Simplify right side
    15,518.32x = 89,187,793.98
  5. Step 5: Solve for x
    x = 89,187,793.98/15,518.32
  6. Step 6: Final answer
    x = 5,747.26

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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.