Home / 15,705.11-23,552.58-5,172.62

Finding the Fourth Proportional to 15,705.11, 23,552.58 and 5,172.62

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Solution

The fourth proportional to 15,705.11, 23,552.58 and 5,172.62 is: 7,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.11 : 23,552.58 = 5,172.62 : x
  2. Step 2: Convert to fraction form
    15,705.11/23,552.58 = 5,172.62/x
  3. Step 3: Cross multiply
    15,705.11x = 23,552.58 × 5,172.62
  4. Step 4: Simplify right side
    15,705.11x = 121,828,428.60
  5. Step 5: Solve for x
    x = 121,828,428.60/15,705.11
  6. Step 6: Final answer
    x = 7,757.25

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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.