Home / 22,830.10-34,245.15-15,831.70

Finding the Fourth Proportional to 22,830.10, 34,245.15 and 15,831.70

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Solution

The fourth proportional to 22,830.10, 34,245.15 and 15,831.70 is: 23,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,830.10 : 34,245.15 = 15,831.70 : x
  2. Step 2: Convert to fraction form
    22,830.10/34,245.15 = 15,831.70/x
  3. Step 3: Cross multiply
    22,830.10x = 34,245.15 × 15,831.70
  4. Step 4: Simplify right side
    22,830.10x = 542,158,941.26
  5. Step 5: Solve for x
    x = 542,158,941.26/22,830.10
  6. Step 6: Final answer
    x = 23,747.55

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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.