Home / 28,193.44-42,294.96-9,475.28

Finding the Fourth Proportional to 28,193.44, 42,294.96 and 9,475.28

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Solution

The fourth proportional to 28,193.44, 42,294.96 and 9,475.28 is: 14,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.44 : 42,294.96 = 9,475.28 : x
  2. Step 2: Convert to fraction form
    28,193.44/42,294.96 = 9,475.28/x
  3. Step 3: Cross multiply
    28,193.44x = 42,294.96 × 9,475.28
  4. Step 4: Simplify right side
    28,193.44x = 400,756,588.59
  5. Step 5: Solve for x
    x = 400,756,588.59/28,193.44
  6. Step 6: Final answer
    x = 14,214.53

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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.