Home / 27,564.93-38,061.03-21,181.46

Finding the Fourth Proportional to 27,564.93, 38,061.03 and 21,181.46

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Solution

The fourth proportional to 27,564.93, 38,061.03 and 21,181.46 is: 29,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.93 : 38,061.03 = 21,181.46 : x
  2. Step 2: Convert to fraction form
    27,564.93/38,061.03 = 21,181.46/x
  3. Step 3: Cross multiply
    27,564.93x = 38,061.03 × 21,181.46
  4. Step 4: Simplify right side
    27,564.93x = 806,187,994.20
  5. Step 5: Solve for x
    x = 806,187,994.20/27,564.93
  6. Step 6: Final answer
    x = 29,246.87

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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.