Home / 15,111.86-22,652.60-5,749.47

Finding the Fourth Proportional to 15,111.86, 22,652.60 and 5,749.47

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Solution

The fourth proportional to 15,111.86, 22,652.60 and 5,749.47 is: 8,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.86 : 22,652.60 = 5,749.47 : x
  2. Step 2: Convert to fraction form
    15,111.86/22,652.60 = 5,749.47/x
  3. Step 3: Cross multiply
    15,111.86x = 22,652.60 × 5,749.47
  4. Step 4: Simplify right side
    15,111.86x = 130,240,415.37
  5. Step 5: Solve for x
    x = 130,240,415.37/15,111.86
  6. Step 6: Final answer
    x = 8,618.43

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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.