Home / 18,111.11-27,166.68-4,963.58

Finding the Fourth Proportional to 18,111.11, 27,166.68 and 4,963.58

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Solution

The fourth proportional to 18,111.11, 27,166.68 and 4,963.58 is: 7,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.11 : 27,166.68 = 4,963.58 : x
  2. Step 2: Convert to fraction form
    18,111.11/27,166.68 = 4,963.58/x
  3. Step 3: Cross multiply
    18,111.11x = 27,166.68 × 4,963.58
  4. Step 4: Simplify right side
    18,111.11x = 134,843,989.51
  5. Step 5: Solve for x
    x = 134,843,989.51/18,111.11
  6. Step 6: Final answer
    x = 7,445.37

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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.