Home / 34,145.60-51,247.20-15,454.40

Finding the Fourth Proportional to 34,145.60, 51,247.20 and 15,454.40

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Solution

The fourth proportional to 34,145.60, 51,247.20 and 15,454.40 is: 23,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.60 : 51,247.20 = 15,454.40 : x
  2. Step 2: Convert to fraction form
    34,145.60/51,247.20 = 15,454.40/x
  3. Step 3: Cross multiply
    34,145.60x = 51,247.20 × 15,454.40
  4. Step 4: Simplify right side
    34,145.60x = 791,994,727.68
  5. Step 5: Solve for x
    x = 791,994,727.68/34,145.60
  6. Step 6: Final answer
    x = 23,194.63

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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.