Home / 15,422.13-23,127.62-5,558.76

Finding the Fourth Proportional to 15,422.13, 23,127.62 and 5,558.76

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Solution

The fourth proportional to 15,422.13, 23,127.62 and 5,558.76 is: 8,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.13 : 23,127.62 = 5,558.76 : x
  2. Step 2: Convert to fraction form
    15,422.13/23,127.62 = 5,558.76/x
  3. Step 3: Cross multiply
    15,422.13x = 23,127.62 × 5,558.76
  4. Step 4: Simplify right side
    15,422.13x = 128,560,861.16
  5. Step 5: Solve for x
    x = 128,560,861.16/15,422.13
  6. Step 6: Final answer
    x = 8,336.13

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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.