Home / 17,421.39-26,135.24-6,343.63

Finding the Fourth Proportional to 17,421.39, 26,135.24 and 6,343.63

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Solution

The fourth proportional to 17,421.39, 26,135.24 and 6,343.63 is: 9,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.39 : 26,135.24 = 6,343.63 : x
  2. Step 2: Convert to fraction form
    17,421.39/26,135.24 = 6,343.63/x
  3. Step 3: Cross multiply
    17,421.39x = 26,135.24 × 6,343.63
  4. Step 4: Simplify right side
    17,421.39x = 165,792,195.46
  5. Step 5: Solve for x
    x = 165,792,195.46/17,421.39
  6. Step 6: Final answer
    x = 9,516.59

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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.