Home / 18,749.50-25,874.85-10,366.54

Finding the Fourth Proportional to 18,749.50, 25,874.85 and 10,366.54

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Solution

The fourth proportional to 18,749.50, 25,874.85 and 10,366.54 is: 14,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.50 : 25,874.85 = 10,366.54 : x
  2. Step 2: Convert to fraction form
    18,749.50/25,874.85 = 10,366.54/x
  3. Step 3: Cross multiply
    18,749.50x = 25,874.85 × 10,366.54
  4. Step 4: Simplify right side
    18,749.50x = 268,232,667.52
  5. Step 5: Solve for x
    x = 268,232,667.52/18,749.50
  6. Step 6: Final answer
    x = 14,306.12

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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.