Home / 17,711.22-26,558.36-10,317.78

Finding the Fourth Proportional to 17,711.22, 26,558.36 and 10,317.78

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Solution

The fourth proportional to 17,711.22, 26,558.36 and 10,317.78 is: 15,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.22 : 26,558.36 = 10,317.78 : x
  2. Step 2: Convert to fraction form
    17,711.22/26,558.36 = 10,317.78/x
  3. Step 3: Cross multiply
    17,711.22x = 26,558.36 × 10,317.78
  4. Step 4: Simplify right side
    17,711.22x = 274,023,315.64
  5. Step 5: Solve for x
    x = 274,023,315.64/17,711.22
  6. Step 6: Final answer
    x = 15,471.74

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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.