Home / 23,193.20-34,789.80-7,612.40

Finding the Fourth Proportional to 23,193.20, 34,789.80 and 7,612.40

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Solution

The fourth proportional to 23,193.20, 34,789.80 and 7,612.40 is: 11,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193.20 : 34,789.80 = 7,612.40 : x
  2. Step 2: Convert to fraction form
    23,193.20/34,789.80 = 7,612.40/x
  3. Step 3: Cross multiply
    23,193.20x = 34,789.80 × 7,612.40
  4. Step 4: Simplify right side
    23,193.20x = 264,833,873.52
  5. Step 5: Solve for x
    x = 264,833,873.52/23,193.20
  6. Step 6: Final answer
    x = 11,418.60

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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.