Home / 18,549.35-25,633.03-14,064.78

Finding the Fourth Proportional to 18,549.35, 25,633.03 and 14,064.78

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Solution

The fourth proportional to 18,549.35, 25,633.03 and 14,064.78 is: 19,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.35 : 25,633.03 = 14,064.78 : x
  2. Step 2: Convert to fraction form
    18,549.35/25,633.03 = 14,064.78/x
  3. Step 3: Cross multiply
    18,549.35x = 25,633.03 × 14,064.78
  4. Step 4: Simplify right side
    18,549.35x = 360,522,927.68
  5. Step 5: Solve for x
    x = 360,522,927.68/18,549.35
  6. Step 6: Final answer
    x = 19,435.88

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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.