Home / 18,819.56-25,971.45-10,322.03

Finding the Fourth Proportional to 18,819.56, 25,971.45 and 10,322.03

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Solution

The fourth proportional to 18,819.56, 25,971.45 and 10,322.03 is: 14,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.56 : 25,971.45 = 10,322.03 : x
  2. Step 2: Convert to fraction form
    18,819.56/25,971.45 = 10,322.03/x
  3. Step 3: Cross multiply
    18,819.56x = 25,971.45 × 10,322.03
  4. Step 4: Simplify right side
    18,819.56x = 268,078,086.04
  5. Step 5: Solve for x
    x = 268,078,086.04/18,819.56
  6. Step 6: Final answer
    x = 14,244.65

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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.