Home / 12,356.16-18,536.28-4,033.76

Finding the Fourth Proportional to 12,356.16, 18,536.28 and 4,033.76

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Solution

The fourth proportional to 12,356.16, 18,536.28 and 4,033.76 is: 6,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.16 : 18,536.28 = 4,033.76 : x
  2. Step 2: Convert to fraction form
    12,356.16/18,536.28 = 4,033.76/x
  3. Step 3: Cross multiply
    12,356.16x = 18,536.28 × 4,033.76
  4. Step 4: Simplify right side
    12,356.16x = 74,770,904.81
  5. Step 5: Solve for x
    x = 74,770,904.81/12,356.16
  6. Step 6: Final answer
    x = 6,051.31

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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.