Home / 12,046.51-18,070.24-3,281.40

Finding the Fourth Proportional to 12,046.51, 18,070.24 and 3,281.40

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Solution

The fourth proportional to 12,046.51, 18,070.24 and 3,281.40 is: 4,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.51 : 18,070.24 = 3,281.40 : x
  2. Step 2: Convert to fraction form
    12,046.51/18,070.24 = 3,281.40/x
  3. Step 3: Cross multiply
    12,046.51x = 18,070.24 × 3,281.40
  4. Step 4: Simplify right side
    12,046.51x = 59,295,685.54
  5. Step 5: Solve for x
    x = 59,295,685.54/12,046.51
  6. Step 6: Final answer
    x = 4,922.23

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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.