Home / 15,908.12-23,861.76-4,221.44

Finding the Fourth Proportional to 15,908.12, 23,861.76 and 4,221.44

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Solution

The fourth proportional to 15,908.12, 23,861.76 and 4,221.44 is: 6,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.12 : 23,861.76 = 4,221.44 : x
  2. Step 2: Convert to fraction form
    15,908.12/23,861.76 = 4,221.44/x
  3. Step 3: Cross multiply
    15,908.12x = 23,861.76 × 4,221.44
  4. Step 4: Simplify right side
    15,908.12x = 100,730,988.13
  5. Step 5: Solve for x
    x = 100,730,988.13/15,908.12
  6. Step 6: Final answer
    x = 6,332.05

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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.