Home / 27,521.31-37,991.03-18,580.92

Finding the Fourth Proportional to 27,521.31, 37,991.03 and 18,580.92

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Solution

The fourth proportional to 27,521.31, 37,991.03 and 18,580.92 is: 25,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.31 : 37,991.03 = 18,580.92 : x
  2. Step 2: Convert to fraction form
    27,521.31/37,991.03 = 18,580.92/x
  3. Step 3: Cross multiply
    27,521.31x = 37,991.03 × 18,580.92
  4. Step 4: Simplify right side
    27,521.31x = 705,908,196.24
  5. Step 5: Solve for x
    x = 705,908,196.24/27,521.31
  6. Step 6: Final answer
    x = 25,649.51

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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.