Home / 19,242.56-28,838.60-9,874.64

Finding the Fourth Proportional to 19,242.56, 28,838.60 and 9,874.64

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Solution

The fourth proportional to 19,242.56, 28,838.60 and 9,874.64 is: 14,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.56 : 28,838.60 = 9,874.64 : x
  2. Step 2: Convert to fraction form
    19,242.56/28,838.60 = 9,874.64/x
  3. Step 3: Cross multiply
    19,242.56x = 28,838.60 × 9,874.64
  4. Step 4: Simplify right side
    19,242.56x = 284,770,793.10
  5. Step 5: Solve for x
    x = 284,770,793.10/19,242.56
  6. Step 6: Final answer
    x = 14,799.01

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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.