Home / 16,720.60-25,085.26-4,874.11

Finding the Fourth Proportional to 16,720.60, 25,085.26 and 4,874.11

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Solution

The fourth proportional to 16,720.60, 25,085.26 and 4,874.11 is: 7,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.60 : 25,085.26 = 4,874.11 : x
  2. Step 2: Convert to fraction form
    16,720.60/25,085.26 = 4,874.11/x
  3. Step 3: Cross multiply
    16,720.60x = 25,085.26 × 4,874.11
  4. Step 4: Simplify right side
    16,720.60x = 122,268,316.62
  5. Step 5: Solve for x
    x = 122,268,316.62/16,720.60
  6. Step 6: Final answer
    x = 7,312.44

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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.