Home / 13,552.72-20,334.48-4,788.52

Finding the Fourth Proportional to 13,552.72, 20,334.48 and 4,788.52

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Solution

The fourth proportional to 13,552.72, 20,334.48 and 4,788.52 is: 7,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.72 : 20,334.48 = 4,788.52 : x
  2. Step 2: Convert to fraction form
    13,552.72/20,334.48 = 4,788.52/x
  3. Step 3: Cross multiply
    13,552.72x = 20,334.48 × 4,788.52
  4. Step 4: Simplify right side
    13,552.72x = 97,372,064.17
  5. Step 5: Solve for x
    x = 97,372,064.17/13,552.72
  6. Step 6: Final answer
    x = 7,184.69

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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.