Home / 18,422.64-25,421.99-10,867.23

Finding the Fourth Proportional to 18,422.64, 25,421.99 and 10,867.23

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Solution

The fourth proportional to 18,422.64, 25,421.99 and 10,867.23 is: 14,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.64 : 25,421.99 = 10,867.23 : x
  2. Step 2: Convert to fraction form
    18,422.64/25,421.99 = 10,867.23/x
  3. Step 3: Cross multiply
    18,422.64x = 25,421.99 × 10,867.23
  4. Step 4: Simplify right side
    18,422.64x = 276,266,558.05
  5. Step 5: Solve for x
    x = 276,266,558.05/18,422.64
  6. Step 6: Final answer
    x = 14,996.04

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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.