Home / 23,326.20-34,979.58-7,740.72

Finding the Fourth Proportional to 23,326.20, 34,979.58 and 7,740.72

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Solution

The fourth proportional to 23,326.20, 34,979.58 and 7,740.72 is: 11,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,326.20 : 34,979.58 = 7,740.72 : x
  2. Step 2: Convert to fraction form
    23,326.20/34,979.58 = 7,740.72/x
  3. Step 3: Cross multiply
    23,326.20x = 34,979.58 × 7,740.72
  4. Step 4: Simplify right side
    23,326.20x = 270,767,134.50
  5. Step 5: Solve for x
    x = 270,767,134.50/23,326.20
  6. Step 6: Final answer
    x = 11,607.85

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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.