Home / 18,937.94-26,134.42-10,439.87

Finding the Fourth Proportional to 18,937.94, 26,134.42 and 10,439.87

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Solution

The fourth proportional to 18,937.94, 26,134.42 and 10,439.87 is: 14,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.94 : 26,134.42 = 10,439.87 : x
  2. Step 2: Convert to fraction form
    18,937.94/26,134.42 = 10,439.87/x
  3. Step 3: Cross multiply
    18,937.94x = 26,134.42 × 10,439.87
  4. Step 4: Simplify right side
    18,937.94x = 272,840,096.75
  5. Step 5: Solve for x
    x = 272,840,096.75/18,937.94
  6. Step 6: Final answer
    x = 14,407.06

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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.