Home / 15,820.08-23,724.72-6,458.64

Finding the Fourth Proportional to 15,820.08, 23,724.72 and 6,458.64

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Solution

The fourth proportional to 15,820.08, 23,724.72 and 6,458.64 is: 9,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.08 : 23,724.72 = 6,458.64 : x
  2. Step 2: Convert to fraction form
    15,820.08/23,724.72 = 6,458.64/x
  3. Step 3: Cross multiply
    15,820.08x = 23,724.72 × 6,458.64
  4. Step 4: Simplify right side
    15,820.08x = 153,229,425.58
  5. Step 5: Solve for x
    x = 153,229,425.58/15,820.08
  6. Step 6: Final answer
    x = 9,685.76

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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.