Home / 18,198.74-25,116.62-10,242.52

Finding the Fourth Proportional to 18,198.74, 25,116.62 and 10,242.52

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Solution

The fourth proportional to 18,198.74, 25,116.62 and 10,242.52 is: 14,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.74 : 25,116.62 = 10,242.52 : x
  2. Step 2: Convert to fraction form
    18,198.74/25,116.62 = 10,242.52/x
  3. Step 3: Cross multiply
    18,198.74x = 25,116.62 × 10,242.52
  4. Step 4: Simplify right side
    18,198.74x = 257,257,368.68
  5. Step 5: Solve for x
    x = 257,257,368.68/18,198.74
  6. Step 6: Final answer
    x = 14,136.00

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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.