Home / 15,319.20-22,961.88-7,924.08

Finding the Fourth Proportional to 15,319.20, 22,961.88 and 7,924.08

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Solution

The fourth proportional to 15,319.20, 22,961.88 and 7,924.08 is: 11,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.20 : 22,961.88 = 7,924.08 : x
  2. Step 2: Convert to fraction form
    15,319.20/22,961.88 = 7,924.08/x
  3. Step 3: Cross multiply
    15,319.20x = 22,961.88 × 7,924.08
  4. Step 4: Simplify right side
    15,319.20x = 181,951,774.07
  5. Step 5: Solve for x
    x = 181,951,774.07/15,319.20
  6. Step 6: Final answer
    x = 11,877.37

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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.