Home / 14,117.05-21,172.13-4,754.63

Finding the Fourth Proportional to 14,117.05, 21,172.13 and 4,754.63

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Solution

The fourth proportional to 14,117.05, 21,172.13 and 4,754.63 is: 7,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.05 : 21,172.13 = 4,754.63 : x
  2. Step 2: Convert to fraction form
    14,117.05/21,172.13 = 4,754.63/x
  3. Step 3: Cross multiply
    14,117.05x = 21,172.13 × 4,754.63
  4. Step 4: Simplify right side
    14,117.05x = 100,665,514.83
  5. Step 5: Solve for x
    x = 100,665,514.83/14,117.05
  6. Step 6: Final answer
    x = 7,130.78

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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.