Home / 18,519.87-25,506.14-16,001.18

Finding the Fourth Proportional to 18,519.87, 25,506.14 and 16,001.18

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Solution

The fourth proportional to 18,519.87, 25,506.14 and 16,001.18 is: 22,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.87 : 25,506.14 = 16,001.18 : x
  2. Step 2: Convert to fraction form
    18,519.87/25,506.14 = 16,001.18/x
  3. Step 3: Cross multiply
    18,519.87x = 25,506.14 × 16,001.18
  4. Step 4: Simplify right side
    18,519.87x = 408,128,315.36
  5. Step 5: Solve for x
    x = 408,128,315.36/18,519.87
  6. Step 6: Final answer
    x = 22,037.32

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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.