Home / 19,286.44-26,614.56-10,903.12

Finding the Fourth Proportional to 19,286.44, 26,614.56 and 10,903.12

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Solution

The fourth proportional to 19,286.44, 26,614.56 and 10,903.12 is: 15,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.44 : 26,614.56 = 10,903.12 : x
  2. Step 2: Convert to fraction form
    19,286.44/26,614.56 = 10,903.12/x
  3. Step 3: Cross multiply
    19,286.44x = 26,614.56 × 10,903.12
  4. Step 4: Simplify right side
    19,286.44x = 290,181,741.43
  5. Step 5: Solve for x
    x = 290,181,741.43/19,286.44
  6. Step 6: Final answer
    x = 15,045.89

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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.