Home / 14,721.44-22,078.92-5,360

Finding the Fourth Proportional to 14,721.44, 22,078.92 and 5,360

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Solution

The fourth proportional to 14,721.44, 22,078.92 and 5,360 is: 8,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.44 : 22,078.92 = 5,360 : x
  2. Step 2: Convert to fraction form
    14,721.44/22,078.92 = 5,360/x
  3. Step 3: Cross multiply
    14,721.44x = 22,078.92 × 5,360
  4. Step 4: Simplify right side
    14,721.44x = 118,343,011.20
  5. Step 5: Solve for x
    x = 118,343,011.20/14,721.44
  6. Step 6: Final answer
    x = 8,038.82

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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.