Home / 20,004.77-29,988.60-6,854.01

Finding the Fourth Proportional to 20,004.77, 29,988.60 and 6,854.01

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Solution

The fourth proportional to 20,004.77, 29,988.60 and 6,854.01 is: 10,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.77 : 29,988.60 = 6,854.01 : x
  2. Step 2: Convert to fraction form
    20,004.77/29,988.60 = 6,854.01/x
  3. Step 3: Cross multiply
    20,004.77x = 29,988.60 × 6,854.01
  4. Step 4: Simplify right side
    20,004.77x = 205,542,164.29
  5. Step 5: Solve for x
    x = 205,542,164.29/20,004.77
  6. Step 6: Final answer
    x = 10,274.66

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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.