Home / 28,202.38-42,305.69-9,482.47

Finding the Fourth Proportional to 28,202.38, 42,305.69 and 9,482.47

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Solution

The fourth proportional to 28,202.38, 42,305.69 and 9,482.47 is: 14,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.38 : 42,305.69 = 9,482.47 : x
  2. Step 2: Convert to fraction form
    28,202.38/42,305.69 = 9,482.47/x
  3. Step 3: Cross multiply
    28,202.38x = 42,305.69 × 9,482.47
  4. Step 4: Simplify right side
    28,202.38x = 401,162,354.20
  5. Step 5: Solve for x
    x = 401,162,354.20/28,202.38
  6. Step 6: Final answer
    x = 14,224.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.