Home / 14,152.42-21,214.02-4,789.36

Finding the Fourth Proportional to 14,152.42, 21,214.02 and 4,789.36

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Solution

The fourth proportional to 14,152.42, 21,214.02 and 4,789.36 is: 7,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.42 : 21,214.02 = 4,789.36 : x
  2. Step 2: Convert to fraction form
    14,152.42/21,214.02 = 4,789.36/x
  3. Step 3: Cross multiply
    14,152.42x = 21,214.02 × 4,789.36
  4. Step 4: Simplify right side
    14,152.42x = 101,601,578.83
  5. Step 5: Solve for x
    x = 101,601,578.83/14,152.42
  6. Step 6: Final answer
    x = 7,179.10

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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.