Home / 14,930.02-22,399.89-7,139.44

Finding the Fourth Proportional to 14,930.02, 22,399.89 and 7,139.44

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Solution

The fourth proportional to 14,930.02, 22,399.89 and 7,139.44 is: 10,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.02 : 22,399.89 = 7,139.44 : x
  2. Step 2: Convert to fraction form
    14,930.02/22,399.89 = 7,139.44/x
  3. Step 3: Cross multiply
    14,930.02x = 22,399.89 × 7,139.44
  4. Step 4: Simplify right side
    14,930.02x = 159,922,614.66
  5. Step 5: Solve for x
    x = 159,922,614.66/14,930.02
  6. Step 6: Final answer
    x = 10,711.48

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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.