Home / 12,356.75-18,536.14-4,036.58

Finding the Fourth Proportional to 12,356.75, 18,536.14 and 4,036.58

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Solution

The fourth proportional to 12,356.75, 18,536.14 and 4,036.58 is: 6,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.75 : 18,536.14 = 4,036.58 : x
  2. Step 2: Convert to fraction form
    12,356.75/18,536.14 = 4,036.58/x
  3. Step 3: Cross multiply
    12,356.75x = 18,536.14 × 4,036.58
  4. Step 4: Simplify right side
    12,356.75x = 74,822,698.14
  5. Step 5: Solve for x
    x = 74,822,698.14/12,356.75
  6. Step 6: Final answer
    x = 6,055.21

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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.