Home / 28,098.96-42,134.40-9,372.48

Finding the Fourth Proportional to 28,098.96, 42,134.40 and 9,372.48

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Solution

The fourth proportional to 28,098.96, 42,134.40 and 9,372.48 is: 14,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.96 : 42,134.40 = 9,372.48 : x
  2. Step 2: Convert to fraction form
    28,098.96/42,134.40 = 9,372.48/x
  3. Step 3: Cross multiply
    28,098.96x = 42,134.40 × 9,372.48
  4. Step 4: Simplify right side
    28,098.96x = 394,903,821.31
  5. Step 5: Solve for x
    x = 394,903,821.31/28,098.96
  6. Step 6: Final answer
    x = 14,054.04

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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.