Home / 17,928.55-26,892.69-4,781.98

Finding the Fourth Proportional to 17,928.55, 26,892.69 and 4,781.98

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Solution

The fourth proportional to 17,928.55, 26,892.69 and 4,781.98 is: 7,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.55 : 26,892.69 = 4,781.98 : x
  2. Step 2: Convert to fraction form
    17,928.55/26,892.69 = 4,781.98/x
  3. Step 3: Cross multiply
    17,928.55x = 26,892.69 × 4,781.98
  4. Step 4: Simplify right side
    17,928.55x = 128,600,305.73
  5. Step 5: Solve for x
    x = 128,600,305.73/17,928.55
  6. Step 6: Final answer
    x = 7,172.93

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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.