Home / 19,827.61-27,370.80-13,882.59

Finding the Fourth Proportional to 19,827.61, 27,370.80 and 13,882.59

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Solution

The fourth proportional to 19,827.61, 27,370.80 and 13,882.59 is: 19,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.61 : 27,370.80 = 13,882.59 : x
  2. Step 2: Convert to fraction form
    19,827.61/27,370.80 = 13,882.59/x
  3. Step 3: Cross multiply
    19,827.61x = 27,370.80 × 13,882.59
  4. Step 4: Simplify right side
    19,827.61x = 379,977,524.96
  5. Step 5: Solve for x
    x = 379,977,524.96/19,827.61
  6. Step 6: Final answer
    x = 19,164.06

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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.