Home / 21,066.69-31,600.03-6,275.22

Finding the Fourth Proportional to 21,066.69, 31,600.03 and 6,275.22

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Solution

The fourth proportional to 21,066.69, 31,600.03 and 6,275.22 is: 9,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.69 : 31,600.03 = 6,275.22 : x
  2. Step 2: Convert to fraction form
    21,066.69/31,600.03 = 6,275.22/x
  3. Step 3: Cross multiply
    21,066.69x = 31,600.03 × 6,275.22
  4. Step 4: Simplify right side
    21,066.69x = 198,297,124.57
  5. Step 5: Solve for x
    x = 198,297,124.57/21,066.69
  6. Step 6: Final answer
    x = 9,412.83

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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.