Home / 15,551.06-23,326.60-5,162.81

Finding the Fourth Proportional to 15,551.06, 23,326.60 and 5,162.81

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Solution

The fourth proportional to 15,551.06, 23,326.60 and 5,162.81 is: 7,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.06 : 23,326.60 = 5,162.81 : x
  2. Step 2: Convert to fraction form
    15,551.06/23,326.60 = 5,162.81/x
  3. Step 3: Cross multiply
    15,551.06x = 23,326.60 × 5,162.81
  4. Step 4: Simplify right side
    15,551.06x = 120,430,849.16
  5. Step 5: Solve for x
    x = 120,430,849.16/15,551.06
  6. Step 6: Final answer
    x = 7,744.22

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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.