Home / 13,769.88-19,011.42-9,588.12

Finding the Fourth Proportional to 13,769.88, 19,011.42 and 9,588.12

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Solution

The fourth proportional to 13,769.88, 19,011.42 and 9,588.12 is: 13,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.88 : 19,011.42 = 9,588.12 : x
  2. Step 2: Convert to fraction form
    13,769.88/19,011.42 = 9,588.12/x
  3. Step 3: Cross multiply
    13,769.88x = 19,011.42 × 9,588.12
  4. Step 4: Simplify right side
    13,769.88x = 182,283,776.33
  5. Step 5: Solve for x
    x = 182,283,776.33/13,769.88
  6. Step 6: Final answer
    x = 13,237.86

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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.