Home / 14,849.85-22,276.80-4,990.13

Finding the Fourth Proportional to 14,849.85, 22,276.80 and 4,990.13

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Solution

The fourth proportional to 14,849.85, 22,276.80 and 4,990.13 is: 7,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.85 : 22,276.80 = 4,990.13 : x
  2. Step 2: Convert to fraction form
    14,849.85/22,276.80 = 4,990.13/x
  3. Step 3: Cross multiply
    14,849.85x = 22,276.80 × 4,990.13
  4. Step 4: Simplify right side
    14,849.85x = 111,164,016.60
  5. Step 5: Solve for x
    x = 111,164,016.60/14,849.85
  6. Step 6: Final answer
    x = 7,485.87

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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.