Home / 18,317.78-25,283.31-11,606.66

Finding the Fourth Proportional to 18,317.78, 25,283.31 and 11,606.66

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Solution

The fourth proportional to 18,317.78, 25,283.31 and 11,606.66 is: 16,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.78 : 25,283.31 = 11,606.66 : x
  2. Step 2: Convert to fraction form
    18,317.78/25,283.31 = 11,606.66/x
  3. Step 3: Cross multiply
    18,317.78x = 25,283.31 × 11,606.66
  4. Step 4: Simplify right side
    18,317.78x = 293,454,782.84
  5. Step 5: Solve for x
    x = 293,454,782.84/18,317.78
  6. Step 6: Final answer
    x = 16,020.22

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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.