Home / 18,154.88-25,053.44-10,197.12

Finding the Fourth Proportional to 18,154.88, 25,053.44 and 10,197.12

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Solution

The fourth proportional to 18,154.88, 25,053.44 and 10,197.12 is: 14,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.88 : 25,053.44 = 10,197.12 : x
  2. Step 2: Convert to fraction form
    18,154.88/25,053.44 = 10,197.12/x
  3. Step 3: Cross multiply
    18,154.88x = 25,053.44 × 10,197.12
  4. Step 4: Simplify right side
    18,154.88x = 255,472,934.09
  5. Step 5: Solve for x
    x = 255,472,934.09/18,154.88
  6. Step 6: Final answer
    x = 14,071.86

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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.