Home / 18,595.28-25,661.49-10,211.78

Finding the Fourth Proportional to 18,595.28, 25,661.49 and 10,211.78

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Solution

The fourth proportional to 18,595.28, 25,661.49 and 10,211.78 is: 14,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.28 : 25,661.49 = 10,211.78 : x
  2. Step 2: Convert to fraction form
    18,595.28/25,661.49 = 10,211.78/x
  3. Step 3: Cross multiply
    18,595.28x = 25,661.49 × 10,211.78
  4. Step 4: Simplify right side
    18,595.28x = 262,049,490.35
  5. Step 5: Solve for x
    x = 262,049,490.35/18,595.28
  6. Step 6: Final answer
    x = 14,092.26

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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.