Home / 13,256.62-19,876.95-5,857.30

Finding the Fourth Proportional to 13,256.62, 19,876.95 and 5,857.30

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Solution

The fourth proportional to 13,256.62, 19,876.95 and 5,857.30 is: 8,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.62 : 19,876.95 = 5,857.30 : x
  2. Step 2: Convert to fraction form
    13,256.62/19,876.95 = 5,857.30/x
  3. Step 3: Cross multiply
    13,256.62x = 19,876.95 × 5,857.30
  4. Step 4: Simplify right side
    13,256.62x = 116,425,259.24
  5. Step 5: Solve for x
    x = 116,425,259.24/13,256.62
  6. Step 6: Final answer
    x = 8,782.42

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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.