Home / 18,169.47-25,074.23-10,212.21

Finding the Fourth Proportional to 18,169.47, 25,074.23 and 10,212.21

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Solution

The fourth proportional to 18,169.47, 25,074.23 and 10,212.21 is: 14,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.47 : 25,074.23 = 10,212.21 : x
  2. Step 2: Convert to fraction form
    18,169.47/25,074.23 = 10,212.21/x
  3. Step 3: Cross multiply
    18,169.47x = 25,074.23 × 10,212.21
  4. Step 4: Simplify right side
    18,169.47x = 256,063,251.29
  5. Step 5: Solve for x
    x = 256,063,251.29/18,169.47
  6. Step 6: Final answer
    x = 14,093.05

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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.