Home / 18,735.24-25,854.64-10,351.76

Finding the Fourth Proportional to 18,735.24, 25,854.64 and 10,351.76

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Solution

The fourth proportional to 18,735.24, 25,854.64 and 10,351.76 is: 14,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.24 : 25,854.64 = 10,351.76 : x
  2. Step 2: Convert to fraction form
    18,735.24/25,854.64 = 10,351.76/x
  3. Step 3: Cross multiply
    18,735.24x = 25,854.64 × 10,351.76
  4. Step 4: Simplify right side
    18,735.24x = 267,641,028.17
  5. Step 5: Solve for x
    x = 267,641,028.17/18,735.24
  6. Step 6: Final answer
    x = 14,285.43

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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.