Home / 28,196.73-42,295.10-9,475.29

Finding the Fourth Proportional to 28,196.73, 42,295.10 and 9,475.29

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Solution

The fourth proportional to 28,196.73, 42,295.10 and 9,475.29 is: 14,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.73 : 42,295.10 = 9,475.29 : x
  2. Step 2: Convert to fraction form
    28,196.73/42,295.10 = 9,475.29/x
  3. Step 3: Cross multiply
    28,196.73x = 42,295.10 × 9,475.29
  4. Step 4: Simplify right side
    28,196.73x = 400,758,290.70
  5. Step 5: Solve for x
    x = 400,758,290.70/28,196.73
  6. Step 6: Final answer
    x = 14,212.94

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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.