Home / 18,964.24-26,156.28-11,410

Finding the Fourth Proportional to 18,964.24, 26,156.28 and 11,410

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Solution

The fourth proportional to 18,964.24, 26,156.28 and 11,410 is: 15,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.24 : 26,156.28 = 11,410 : x
  2. Step 2: Convert to fraction form
    18,964.24/26,156.28 = 11,410/x
  3. Step 3: Cross multiply
    18,964.24x = 26,156.28 × 11,410
  4. Step 4: Simplify right side
    18,964.24x = 298,443,154.80
  5. Step 5: Solve for x
    x = 298,443,154.80/18,964.24
  6. Step 6: Final answer
    x = 15,737.15

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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.