Home / 13,256.36-19,880.32-4,370.03

Finding the Fourth Proportional to 13,256.36, 19,880.32 and 4,370.03

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Solution

The fourth proportional to 13,256.36, 19,880.32 and 4,370.03 is: 6,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.36 : 19,880.32 = 4,370.03 : x
  2. Step 2: Convert to fraction form
    13,256.36/19,880.32 = 4,370.03/x
  3. Step 3: Cross multiply
    13,256.36x = 19,880.32 × 4,370.03
  4. Step 4: Simplify right side
    13,256.36x = 86,877,660.62
  5. Step 5: Solve for x
    x = 86,877,660.62/13,256.36
  6. Step 6: Final answer
    x = 6,553.66

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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.