Home / 18,155.04-25,054.56-10,198.68

Finding the Fourth Proportional to 18,155.04, 25,054.56 and 10,198.68

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Solution

The fourth proportional to 18,155.04, 25,054.56 and 10,198.68 is: 14,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.04 : 25,054.56 = 10,198.68 : x
  2. Step 2: Convert to fraction form
    18,155.04/25,054.56 = 10,198.68/x
  3. Step 3: Cross multiply
    18,155.04x = 25,054.56 × 10,198.68
  4. Step 4: Simplify right side
    18,155.04x = 255,523,439.98
  5. Step 5: Solve for x
    x = 255,523,439.98/18,155.04
  6. Step 6: Final answer
    x = 14,074.52

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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.