Home / 18,749.78-25,854.07-12,032.85

Finding the Fourth Proportional to 18,749.78, 25,854.07 and 12,032.85

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Solution

The fourth proportional to 18,749.78, 25,854.07 and 12,032.85 is: 16,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.78 : 25,854.07 = 12,032.85 : x
  2. Step 2: Convert to fraction form
    18,749.78/25,854.07 = 12,032.85/x
  3. Step 3: Cross multiply
    18,749.78x = 25,854.07 × 12,032.85
  4. Step 4: Simplify right side
    18,749.78x = 311,098,086.04
  5. Step 5: Solve for x
    x = 311,098,086.04/18,749.78
  6. Step 6: Final answer
    x = 16,592.10

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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.