Home / 27,889.20-38,476.51-18,334.24

Finding the Fourth Proportional to 27,889.20, 38,476.51 and 18,334.24

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Solution

The fourth proportional to 27,889.20, 38,476.51 and 18,334.24 is: 25,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.20 : 38,476.51 = 18,334.24 : x
  2. Step 2: Convert to fraction form
    27,889.20/38,476.51 = 18,334.24/x
  3. Step 3: Cross multiply
    27,889.20x = 38,476.51 × 18,334.24
  4. Step 4: Simplify right side
    27,889.20x = 705,437,426.68
  5. Step 5: Solve for x
    x = 705,437,426.68/27,889.20
  6. Step 6: Final answer
    x = 25,294.29

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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.