Home / 27,822.61-38,374.26-19,324.75

Finding the Fourth Proportional to 27,822.61, 38,374.26 and 19,324.75

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Solution

The fourth proportional to 27,822.61, 38,374.26 and 19,324.75 is: 26,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.61 : 38,374.26 = 19,324.75 : x
  2. Step 2: Convert to fraction form
    27,822.61/38,374.26 = 19,324.75/x
  3. Step 3: Cross multiply
    27,822.61x = 38,374.26 × 19,324.75
  4. Step 4: Simplify right side
    27,822.61x = 741,572,980.94
  5. Step 5: Solve for x
    x = 741,572,980.94/27,822.61
  6. Step 6: Final answer
    x = 26,653.61

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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.