Home / 17,407.86-26,115.57-5,720.64

Finding the Fourth Proportional to 17,407.86, 26,115.57 and 5,720.64

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Solution

The fourth proportional to 17,407.86, 26,115.57 and 5,720.64 is: 8,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.86 : 26,115.57 = 5,720.64 : x
  2. Step 2: Convert to fraction form
    17,407.86/26,115.57 = 5,720.64/x
  3. Step 3: Cross multiply
    17,407.86x = 26,115.57 × 5,720.64
  4. Step 4: Simplify right side
    17,407.86x = 149,397,774.36
  5. Step 5: Solve for x
    x = 149,397,774.36/17,407.86
  6. Step 6: Final answer
    x = 8,582.20

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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.