Home / 14,721.72-22,079.40-4,858.66

Finding the Fourth Proportional to 14,721.72, 22,079.40 and 4,858.66

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Solution

The fourth proportional to 14,721.72, 22,079.40 and 4,858.66 is: 7,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.72 : 22,079.40 = 4,858.66 : x
  2. Step 2: Convert to fraction form
    14,721.72/22,079.40 = 4,858.66/x
  3. Step 3: Cross multiply
    14,721.72x = 22,079.40 × 4,858.66
  4. Step 4: Simplify right side
    14,721.72x = 107,276,297.60
  5. Step 5: Solve for x
    x = 107,276,297.60/14,721.72
  6. Step 6: Final answer
    x = 7,286.94

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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.