Home / 27,127.29-37,434.63-15,190.03

Finding the Fourth Proportional to 27,127.29, 37,434.63 and 15,190.03

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Solution

The fourth proportional to 27,127.29, 37,434.63 and 15,190.03 is: 20,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.29 : 37,434.63 = 15,190.03 : x
  2. Step 2: Convert to fraction form
    27,127.29/37,434.63 = 15,190.03/x
  3. Step 3: Cross multiply
    27,127.29x = 37,434.63 × 15,190.03
  4. Step 4: Simplify right side
    27,127.29x = 568,633,152.74
  5. Step 5: Solve for x
    x = 568,633,152.74/27,127.29
  6. Step 6: Final answer
    x = 20,961.66

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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.