Home / 18,821.08-25,972.91-10,323.03

Finding the Fourth Proportional to 18,821.08, 25,972.91 and 10,323.03

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Solution

The fourth proportional to 18,821.08, 25,972.91 and 10,323.03 is: 14,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.08 : 25,972.91 = 10,323.03 : x
  2. Step 2: Convert to fraction form
    18,821.08/25,972.91 = 10,323.03/x
  3. Step 3: Cross multiply
    18,821.08x = 25,972.91 × 10,323.03
  4. Step 4: Simplify right side
    18,821.08x = 268,118,999.25
  5. Step 5: Solve for x
    x = 268,118,999.25/18,821.08
  6. Step 6: Final answer
    x = 14,245.68

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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.