Home / 19,152.20-26,433.12-11,192.87

Finding the Fourth Proportional to 19,152.20, 26,433.12 and 11,192.87

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Solution

The fourth proportional to 19,152.20, 26,433.12 and 11,192.87 is: 15,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.20 : 26,433.12 = 11,192.87 : x
  2. Step 2: Convert to fraction form
    19,152.20/26,433.12 = 11,192.87/x
  3. Step 3: Cross multiply
    19,152.20x = 26,433.12 × 11,192.87
  4. Step 4: Simplify right side
    19,152.20x = 295,862,343.69
  5. Step 5: Solve for x
    x = 295,862,343.69/19,152.20
  6. Step 6: Final answer
    x = 15,447.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.