Home / 18,247.74-25,159.50-15,006.22

Finding the Fourth Proportional to 18,247.74, 25,159.50 and 15,006.22

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Solution

The fourth proportional to 18,247.74, 25,159.50 and 15,006.22 is: 20,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.74 : 25,159.50 = 15,006.22 : x
  2. Step 2: Convert to fraction form
    18,247.74/25,159.50 = 15,006.22/x
  3. Step 3: Cross multiply
    18,247.74x = 25,159.50 × 15,006.22
  4. Step 4: Simplify right side
    18,247.74x = 377,548,992.09
  5. Step 5: Solve for x
    x = 377,548,992.09/18,247.74
  6. Step 6: Final answer
    x = 20,690.18

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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.