Home / 18,731.64-25,850.70-10,347.96

Finding the Fourth Proportional to 18,731.64, 25,850.70 and 10,347.96

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Solution

The fourth proportional to 18,731.64, 25,850.70 and 10,347.96 is: 14,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.64 : 25,850.70 = 10,347.96 : x
  2. Step 2: Convert to fraction form
    18,731.64/25,850.70 = 10,347.96/x
  3. Step 3: Cross multiply
    18,731.64x = 25,850.70 × 10,347.96
  4. Step 4: Simplify right side
    18,731.64x = 267,502,009.57
  5. Step 5: Solve for x
    x = 267,502,009.57/18,731.64
  6. Step 6: Final answer
    x = 14,280.76

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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.