Home / 13,927.33-19,212.96-9,215.56

Finding the Fourth Proportional to 13,927.33, 19,212.96 and 9,215.56

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Solution

The fourth proportional to 13,927.33, 19,212.96 and 9,215.56 is: 12,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.33 : 19,212.96 = 9,215.56 : x
  2. Step 2: Convert to fraction form
    13,927.33/19,212.96 = 9,215.56/x
  3. Step 3: Cross multiply
    13,927.33x = 19,212.96 × 9,215.56
  4. Step 4: Simplify right side
    13,927.33x = 177,058,185.66
  5. Step 5: Solve for x
    x = 177,058,185.66/13,927.33
  6. Step 6: Final answer
    x = 12,713.00

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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.