Home / 18,357.12-27,537.52-6,671.28

Finding the Fourth Proportional to 18,357.12, 27,537.52 and 6,671.28

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Solution

The fourth proportional to 18,357.12, 27,537.52 and 6,671.28 is: 10,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.12 : 27,537.52 = 6,671.28 : x
  2. Step 2: Convert to fraction form
    18,357.12/27,537.52 = 6,671.28/x
  3. Step 3: Cross multiply
    18,357.12x = 27,537.52 × 6,671.28
  4. Step 4: Simplify right side
    18,357.12x = 183,710,506.43
  5. Step 5: Solve for x
    x = 183,710,506.43/18,357.12
  6. Step 6: Final answer
    x = 10,007.59

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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.