Home / 18,821.48-25,972.23-10,322.24

Finding the Fourth Proportional to 18,821.48, 25,972.23 and 10,322.24

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Solution

The fourth proportional to 18,821.48, 25,972.23 and 10,322.24 is: 14,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.48 : 25,972.23 = 10,322.24 : x
  2. Step 2: Convert to fraction form
    18,821.48/25,972.23 = 10,322.24/x
  3. Step 3: Cross multiply
    18,821.48x = 25,972.23 × 10,322.24
  4. Step 4: Simplify right side
    18,821.48x = 268,091,591.40
  5. Step 5: Solve for x
    x = 268,091,591.40/18,821.48
  6. Step 6: Final answer
    x = 14,243.92

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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.