Home / 17,613.05-26,402.63-6,516.72

Finding the Fourth Proportional to 17,613.05, 26,402.63 and 6,516.72

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Solution

The fourth proportional to 17,613.05, 26,402.63 and 6,516.72 is: 9,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.05 : 26,402.63 = 6,516.72 : x
  2. Step 2: Convert to fraction form
    17,613.05/26,402.63 = 6,516.72/x
  3. Step 3: Cross multiply
    17,613.05x = 26,402.63 × 6,516.72
  4. Step 4: Simplify right side
    17,613.05x = 172,058,514.39
  5. Step 5: Solve for x
    x = 172,058,514.39/17,613.05
  6. Step 6: Final answer
    x = 9,768.81

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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.