Home / 18,661.24-25,750.98-11,854.72

Finding the Fourth Proportional to 18,661.24, 25,750.98 and 11,854.72

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Solution

The fourth proportional to 18,661.24, 25,750.98 and 11,854.72 is: 16,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.24 : 25,750.98 = 11,854.72 : x
  2. Step 2: Convert to fraction form
    18,661.24/25,750.98 = 11,854.72/x
  3. Step 3: Cross multiply
    18,661.24x = 25,750.98 × 11,854.72
  4. Step 4: Simplify right side
    18,661.24x = 305,270,657.63
  5. Step 5: Solve for x
    x = 305,270,657.63/18,661.24
  6. Step 6: Final answer
    x = 16,358.54

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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.