Home / 27,156.34-37,458.48-19,588.78

Finding the Fourth Proportional to 27,156.34, 37,458.48 and 19,588.78

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Solution

The fourth proportional to 27,156.34, 37,458.48 and 19,588.78 is: 27,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.34 : 37,458.48 = 19,588.78 : x
  2. Step 2: Convert to fraction form
    27,156.34/37,458.48 = 19,588.78/x
  3. Step 3: Cross multiply
    27,156.34x = 37,458.48 × 19,588.78
  4. Step 4: Simplify right side
    27,156.34x = 733,765,923.85
  5. Step 5: Solve for x
    x = 733,765,923.85/27,156.34
  6. Step 6: Final answer
    x = 27,020.06

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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.