Home / 14,851.49-22,276.80-4,991.31

Finding the Fourth Proportional to 14,851.49, 22,276.80 and 4,991.31

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Solution

The fourth proportional to 14,851.49, 22,276.80 and 4,991.31 is: 7,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.49 : 22,276.80 = 4,991.31 : x
  2. Step 2: Convert to fraction form
    14,851.49/22,276.80 = 4,991.31/x
  3. Step 3: Cross multiply
    14,851.49x = 22,276.80 × 4,991.31
  4. Step 4: Simplify right side
    14,851.49x = 111,190,414.61
  5. Step 5: Solve for x
    x = 111,190,414.61/14,851.49
  6. Step 6: Final answer
    x = 7,486.82

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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.