Home / 18,616.89-27,925.40-4,577.02

Finding the Fourth Proportional to 18,616.89, 27,925.40 and 4,577.02

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Solution

The fourth proportional to 18,616.89, 27,925.40 and 4,577.02 is: 6,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.89 : 27,925.40 = 4,577.02 : x
  2. Step 2: Convert to fraction form
    18,616.89/27,925.40 = 4,577.02/x
  3. Step 3: Cross multiply
    18,616.89x = 27,925.40 × 4,577.02
  4. Step 4: Simplify right side
    18,616.89x = 127,815,114.31
  5. Step 5: Solve for x
    x = 127,815,114.31/18,616.89
  6. Step 6: Final answer
    x = 6,865.55

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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.