Home / 13,701.08-20,552.38-6,687.07

Finding the Fourth Proportional to 13,701.08, 20,552.38 and 6,687.07

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Solution

The fourth proportional to 13,701.08, 20,552.38 and 6,687.07 is: 10,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.08 : 20,552.38 = 6,687.07 : x
  2. Step 2: Convert to fraction form
    13,701.08/20,552.38 = 6,687.07/x
  3. Step 3: Cross multiply
    13,701.08x = 20,552.38 × 6,687.07
  4. Step 4: Simplify right side
    13,701.08x = 137,435,135.63
  5. Step 5: Solve for x
    x = 137,435,135.63/13,701.08
  6. Step 6: Final answer
    x = 10,030.97

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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.