Home / 15,112.35-22,665.09-5,749.02

Finding the Fourth Proportional to 15,112.35, 22,665.09 and 5,749.02

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Solution

The fourth proportional to 15,112.35, 22,665.09 and 5,749.02 is: 8,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.35 : 22,665.09 = 5,749.02 : x
  2. Step 2: Convert to fraction form
    15,112.35/22,665.09 = 5,749.02/x
  3. Step 3: Cross multiply
    15,112.35x = 22,665.09 × 5,749.02
  4. Step 4: Simplify right side
    15,112.35x = 130,302,055.71
  5. Step 5: Solve for x
    x = 130,302,055.71/15,112.35
  6. Step 6: Final answer
    x = 8,622.22

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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.