Home / 14,193.08-21,256.79-13,701

Finding the Fourth Proportional to 14,193.08, 21,256.79 and 13,701

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Solution

The fourth proportional to 14,193.08, 21,256.79 and 13,701 is: 20,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.08 : 21,256.79 = 13,701 : x
  2. Step 2: Convert to fraction form
    14,193.08/21,256.79 = 13,701/x
  3. Step 3: Cross multiply
    14,193.08x = 21,256.79 × 13,701
  4. Step 4: Simplify right side
    14,193.08x = 291,239,211.29
  5. Step 5: Solve for x
    x = 291,239,211.29/14,193.08
  6. Step 6: Final answer
    x = 20,519.81

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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.