Home / 14,006.40-20,986.92-6,593.28

Finding the Fourth Proportional to 14,006.40, 20,986.92 and 6,593.28

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Solution

The fourth proportional to 14,006.40, 20,986.92 and 6,593.28 is: 9,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.40 : 20,986.92 = 6,593.28 : x
  2. Step 2: Convert to fraction form
    14,006.40/20,986.92 = 6,593.28/x
  3. Step 3: Cross multiply
    14,006.40x = 20,986.92 × 6,593.28
  4. Step 4: Simplify right side
    14,006.40x = 138,372,639.90
  5. Step 5: Solve for x
    x = 138,372,639.90/14,006.40
  6. Step 6: Final answer
    x = 9,879.24

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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.