Home / 14,582.20-21,867.90-4,721.80

Finding the Fourth Proportional to 14,582.20, 21,867.90 and 4,721.80

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Solution

The fourth proportional to 14,582.20, 21,867.90 and 4,721.80 is: 7,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.20 : 21,867.90 = 4,721.80 : x
  2. Step 2: Convert to fraction form
    14,582.20/21,867.90 = 4,721.80/x
  3. Step 3: Cross multiply
    14,582.20x = 21,867.90 × 4,721.80
  4. Step 4: Simplify right side
    14,582.20x = 103,255,850.22
  5. Step 5: Solve for x
    x = 103,255,850.22/14,582.20
  6. Step 6: Final answer
    x = 7,080.95

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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.