Home / 15,904.20-23,856.88-4,217.38

Finding the Fourth Proportional to 15,904.20, 23,856.88 and 4,217.38

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Solution

The fourth proportional to 15,904.20, 23,856.88 and 4,217.38 is: 6,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.20 : 23,856.88 = 4,217.38 : x
  2. Step 2: Convert to fraction form
    15,904.20/23,856.88 = 4,217.38/x
  3. Step 3: Cross multiply
    15,904.20x = 23,856.88 × 4,217.38
  4. Step 4: Simplify right side
    15,904.20x = 100,613,528.57
  5. Step 5: Solve for x
    x = 100,613,528.57/15,904.20
  6. Step 6: Final answer
    x = 6,326.22

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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.