Home / 17,557.16-26,317.10-8,186.26

Finding the Fourth Proportional to 17,557.16, 26,317.10 and 8,186.26

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Solution

The fourth proportional to 17,557.16, 26,317.10 and 8,186.26 is: 12,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,557.16 : 26,317.10 = 8,186.26 : x
  2. Step 2: Convert to fraction form
    17,557.16/26,317.10 = 8,186.26/x
  3. Step 3: Cross multiply
    17,557.16x = 26,317.10 × 8,186.26
  4. Step 4: Simplify right side
    17,557.16x = 215,438,623.05
  5. Step 5: Solve for x
    x = 215,438,623.05/17,557.16
  6. Step 6: Final answer
    x = 12,270.70

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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.