Home / 18,155.95-25,052.49-10,196.65

Finding the Fourth Proportional to 18,155.95, 25,052.49 and 10,196.65

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Solution

The fourth proportional to 18,155.95, 25,052.49 and 10,196.65 is: 14,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.95 : 25,052.49 = 10,196.65 : x
  2. Step 2: Convert to fraction form
    18,155.95/25,052.49 = 10,196.65/x
  3. Step 3: Cross multiply
    18,155.95x = 25,052.49 × 10,196.65
  4. Step 4: Simplify right side
    18,155.95x = 255,451,503.47
  5. Step 5: Solve for x
    x = 255,451,503.47/18,155.95
  6. Step 6: Final answer
    x = 14,069.85

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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.