Home / 27,270.24-37,634.40-15,334.08

Finding the Fourth Proportional to 27,270.24, 37,634.40 and 15,334.08

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Solution

The fourth proportional to 27,270.24, 37,634.40 and 15,334.08 is: 21,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,270.24 : 37,634.40 = 15,334.08 : x
  2. Step 2: Convert to fraction form
    27,270.24/37,634.40 = 15,334.08/x
  3. Step 3: Cross multiply
    27,270.24x = 37,634.40 × 15,334.08
  4. Step 4: Simplify right side
    27,270.24x = 577,088,900.35
  5. Step 5: Solve for x
    x = 577,088,900.35/27,270.24
  6. Step 6: Final answer
    x = 21,161.86

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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.