Home / 13,986.92-19,295.88-8,017.22

Finding the Fourth Proportional to 13,986.92, 19,295.88 and 8,017.22

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Solution

The fourth proportional to 13,986.92, 19,295.88 and 8,017.22 is: 11,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.92 : 19,295.88 = 8,017.22 : x
  2. Step 2: Convert to fraction form
    13,986.92/19,295.88 = 8,017.22/x
  3. Step 3: Cross multiply
    13,986.92x = 19,295.88 × 8,017.22
  4. Step 4: Simplify right side
    13,986.92x = 154,699,315.05
  5. Step 5: Solve for x
    x = 154,699,315.05/13,986.92
  6. Step 6: Final answer
    x = 11,060.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.