Home / 15,723.35-23,580.23-4,479.61

Finding the Fourth Proportional to 15,723.35, 23,580.23 and 4,479.61

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Solution

The fourth proportional to 15,723.35, 23,580.23 and 4,479.61 is: 6,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.35 : 23,580.23 = 4,479.61 : x
  2. Step 2: Convert to fraction form
    15,723.35/23,580.23 = 4,479.61/x
  3. Step 3: Cross multiply
    15,723.35x = 23,580.23 × 4,479.61
  4. Step 4: Simplify right side
    15,723.35x = 105,630,196.56
  5. Step 5: Solve for x
    x = 105,630,196.56/15,723.35
  6. Step 6: Final answer
    x = 6,718.05

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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.