Home / 13,297.39-19,939.28-4,409.51

Finding the Fourth Proportional to 13,297.39, 19,939.28 and 4,409.51

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Solution

The fourth proportional to 13,297.39, 19,939.28 and 4,409.51 is: 6,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.39 : 19,939.28 = 4,409.51 : x
  2. Step 2: Convert to fraction form
    13,297.39/19,939.28 = 4,409.51/x
  3. Step 3: Cross multiply
    13,297.39x = 19,939.28 × 4,409.51
  4. Step 4: Simplify right side
    13,297.39x = 87,922,515.42
  5. Step 5: Solve for x
    x = 87,922,515.42/13,297.39
  6. Step 6: Final answer
    x = 6,612.01

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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.