Home / 19,062.64-28,593.08-5,211.60

Finding the Fourth Proportional to 19,062.64, 28,593.08 and 5,211.60

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Solution

The fourth proportional to 19,062.64, 28,593.08 and 5,211.60 is: 7,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.64 : 28,593.08 = 5,211.60 : x
  2. Step 2: Convert to fraction form
    19,062.64/28,593.08 = 5,211.60/x
  3. Step 3: Cross multiply
    19,062.64x = 28,593.08 × 5,211.60
  4. Step 4: Simplify right side
    19,062.64x = 149,015,695.73
  5. Step 5: Solve for x
    x = 149,015,695.73/19,062.64
  6. Step 6: Final answer
    x = 7,817.16

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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.