Home / 23,911.30-32,955.06-21,161.62

Finding the Fourth Proportional to 23,911.30, 32,955.06 and 21,161.62

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Solution

The fourth proportional to 23,911.30, 32,955.06 and 21,161.62 is: 29,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,911.30 : 32,955.06 = 21,161.62 : x
  2. Step 2: Convert to fraction form
    23,911.30/32,955.06 = 21,161.62/x
  3. Step 3: Cross multiply
    23,911.30x = 32,955.06 × 21,161.62
  4. Step 4: Simplify right side
    23,911.30x = 697,382,456.80
  5. Step 5: Solve for x
    x = 697,382,456.80/23,911.30
  6. Step 6: Final answer
    x = 29,165.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.