Home / 18,660.59-25,749.58-10,702.61

Finding the Fourth Proportional to 18,660.59, 25,749.58 and 10,702.61

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Solution

The fourth proportional to 18,660.59, 25,749.58 and 10,702.61 is: 14,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.59 : 25,749.58 = 10,702.61 : x
  2. Step 2: Convert to fraction form
    18,660.59/25,749.58 = 10,702.61/x
  3. Step 3: Cross multiply
    18,660.59x = 25,749.58 × 10,702.61
  4. Step 4: Simplify right side
    18,660.59x = 275,587,673.53
  5. Step 5: Solve for x
    x = 275,587,673.53/18,660.59
  6. Step 6: Final answer
    x = 14,768.43

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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.