Home / 25,021.76-34,531.08-13,843.76

Finding the Fourth Proportional to 25,021.76, 34,531.08 and 13,843.76

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Solution

The fourth proportional to 25,021.76, 34,531.08 and 13,843.76 is: 19,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.76 : 34,531.08 = 13,843.76 : x
  2. Step 2: Convert to fraction form
    25,021.76/34,531.08 = 13,843.76/x
  3. Step 3: Cross multiply
    25,021.76x = 34,531.08 × 13,843.76
  4. Step 4: Simplify right side
    25,021.76x = 478,039,984.06
  5. Step 5: Solve for x
    x = 478,039,984.06/25,021.76
  6. Step 6: Final answer
    x = 19,104.97

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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.