Home / 27,178.26-37,490.07-17,090.70

Finding the Fourth Proportional to 27,178.26, 37,490.07 and 17,090.70

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Solution

The fourth proportional to 27,178.26, 37,490.07 and 17,090.70 is: 23,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.26 : 37,490.07 = 17,090.70 : x
  2. Step 2: Convert to fraction form
    27,178.26/37,490.07 = 17,090.70/x
  3. Step 3: Cross multiply
    27,178.26x = 37,490.07 × 17,090.70
  4. Step 4: Simplify right side
    27,178.26x = 640,731,539.35
  5. Step 5: Solve for x
    x = 640,731,539.35/27,178.26
  6. Step 6: Final answer
    x = 23,575.15

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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.