Home / 17,781.56-26,671.64-4,454.52

Finding the Fourth Proportional to 17,781.56, 26,671.64 and 4,454.52

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Solution

The fourth proportional to 17,781.56, 26,671.64 and 4,454.52 is: 6,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.56 : 26,671.64 = 4,454.52 : x
  2. Step 2: Convert to fraction form
    17,781.56/26,671.64 = 4,454.52/x
  3. Step 3: Cross multiply
    17,781.56x = 26,671.64 × 4,454.52
  4. Step 4: Simplify right side
    17,781.56x = 118,809,353.81
  5. Step 5: Solve for x
    x = 118,809,353.81/17,781.56
  6. Step 6: Final answer
    x = 6,681.60

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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.