Home / 14,110.02-21,148.05-5,218.26

Finding the Fourth Proportional to 14,110.02, 21,148.05 and 5,218.26

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Solution

The fourth proportional to 14,110.02, 21,148.05 and 5,218.26 is: 7,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.02 : 21,148.05 = 5,218.26 : x
  2. Step 2: Convert to fraction form
    14,110.02/21,148.05 = 5,218.26/x
  3. Step 3: Cross multiply
    14,110.02x = 21,148.05 × 5,218.26
  4. Step 4: Simplify right side
    14,110.02x = 110,356,023.39
  5. Step 5: Solve for x
    x = 110,356,023.39/14,110.02
  6. Step 6: Final answer
    x = 7,821.11

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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.