Home / 14,007.74-20,991.56-6,608.39

Finding the Fourth Proportional to 14,007.74, 20,991.56 and 6,608.39

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Solution

The fourth proportional to 14,007.74, 20,991.56 and 6,608.39 is: 9,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.74 : 20,991.56 = 6,608.39 : x
  2. Step 2: Convert to fraction form
    14,007.74/20,991.56 = 6,608.39/x
  3. Step 3: Cross multiply
    14,007.74x = 20,991.56 × 6,608.39
  4. Step 4: Simplify right side
    14,007.74x = 138,720,277.19
  5. Step 5: Solve for x
    x = 138,720,277.19/14,007.74
  6. Step 6: Final answer
    x = 9,903.12

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1.5x scale

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.