Home / 16,858.04-25,266.54-11,929.10

Finding the Fourth Proportional to 16,858.04, 25,266.54 and 11,929.10

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Solution

The fourth proportional to 16,858.04, 25,266.54 and 11,929.10 is: 17,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.04 : 25,266.54 = 11,929.10 : x
  2. Step 2: Convert to fraction form
    16,858.04/25,266.54 = 11,929.10/x
  3. Step 3: Cross multiply
    16,858.04x = 25,266.54 × 11,929.10
  4. Step 4: Simplify right side
    16,858.04x = 301,407,082.31
  5. Step 5: Solve for x
    x = 301,407,082.31/16,858.04
  6. Step 6: Final answer
    x = 17,879.13

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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.