Home / 13,549.06-20,330.07-4,788.10

Finding the Fourth Proportional to 13,549.06, 20,330.07 and 4,788.10

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Solution

The fourth proportional to 13,549.06, 20,330.07 and 4,788.10 is: 7,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.06 : 20,330.07 = 4,788.10 : x
  2. Step 2: Convert to fraction form
    13,549.06/20,330.07 = 4,788.10/x
  3. Step 3: Cross multiply
    13,549.06x = 20,330.07 × 4,788.10
  4. Step 4: Simplify right side
    13,549.06x = 97,342,408.17
  5. Step 5: Solve for x
    x = 97,342,408.17/13,549.06
  6. Step 6: Final answer
    x = 7,184.44

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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.