Home / 18,757.30-25,881.33-10,372.18

Finding the Fourth Proportional to 18,757.30, 25,881.33 and 10,372.18

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Solution

The fourth proportional to 18,757.30, 25,881.33 and 10,372.18 is: 14,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.30 : 25,881.33 = 10,372.18 : x
  2. Step 2: Convert to fraction form
    18,757.30/25,881.33 = 10,372.18/x
  3. Step 3: Cross multiply
    18,757.30x = 25,881.33 × 10,372.18
  4. Step 4: Simplify right side
    18,757.30x = 268,445,813.40
  5. Step 5: Solve for x
    x = 268,445,813.40/18,757.30
  6. Step 6: Final answer
    x = 14,311.54

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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.