Home / 27,186.98-37,518.17-15,864.42

Finding the Fourth Proportional to 27,186.98, 37,518.17 and 15,864.42

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Solution

The fourth proportional to 27,186.98, 37,518.17 and 15,864.42 is: 21,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.98 : 37,518.17 = 15,864.42 : x
  2. Step 2: Convert to fraction form
    27,186.98/37,518.17 = 15,864.42/x
  3. Step 3: Cross multiply
    27,186.98x = 37,518.17 × 15,864.42
  4. Step 4: Simplify right side
    27,186.98x = 595,204,006.51
  5. Step 5: Solve for x
    x = 595,204,006.51/27,186.98
  6. Step 6: Final answer
    x = 21,892.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.