Home / 17,816.28-26,709.78-10,402.44

Finding the Fourth Proportional to 17,816.28, 26,709.78 and 10,402.44

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Solution

The fourth proportional to 17,816.28, 26,709.78 and 10,402.44 is: 15,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.28 : 26,709.78 = 10,402.44 : x
  2. Step 2: Convert to fraction form
    17,816.28/26,709.78 = 10,402.44/x
  3. Step 3: Cross multiply
    17,816.28x = 26,709.78 × 10,402.44
  4. Step 4: Simplify right side
    17,816.28x = 277,846,883.86
  5. Step 5: Solve for x
    x = 277,846,883.86/17,816.28
  6. Step 6: Final answer
    x = 15,595.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.