Home / 14,110.02-21,165.84-3,721.50

Finding the Fourth Proportional to 14,110.02, 21,165.84 and 3,721.50

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Solution

The fourth proportional to 14,110.02, 21,165.84 and 3,721.50 is: 5,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.02 : 21,165.84 = 3,721.50 : x
  2. Step 2: Convert to fraction form
    14,110.02/21,165.84 = 3,721.50/x
  3. Step 3: Cross multiply
    14,110.02x = 21,165.84 × 3,721.50
  4. Step 4: Simplify right side
    14,110.02x = 78,768,673.56
  5. Step 5: Solve for x
    x = 78,768,673.56/14,110.02
  6. Step 6: Final answer
    x = 5,582.46

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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.