Home / 17,857.08-26,654.55-15,755.16

Finding the Fourth Proportional to 17,857.08, 26,654.55 and 15,755.16

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Solution

The fourth proportional to 17,857.08, 26,654.55 and 15,755.16 is: 23,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.08 : 26,654.55 = 15,755.16 : x
  2. Step 2: Convert to fraction form
    17,857.08/26,654.55 = 15,755.16/x
  3. Step 3: Cross multiply
    17,857.08x = 26,654.55 × 15,755.16
  4. Step 4: Simplify right side
    17,857.08x = 419,946,699.98
  5. Step 5: Solve for x
    x = 419,946,699.98/17,857.08
  6. Step 6: Final answer
    x = 23,517.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.