Home / 25,827.50-35,636.45-15,213.26

Finding the Fourth Proportional to 25,827.50, 35,636.45 and 15,213.26

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Solution

The fourth proportional to 25,827.50, 35,636.45 and 15,213.26 is: 20,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.50 : 35,636.45 = 15,213.26 : x
  2. Step 2: Convert to fraction form
    25,827.50/35,636.45 = 15,213.26/x
  3. Step 3: Cross multiply
    25,827.50x = 35,636.45 × 15,213.26
  4. Step 4: Simplify right side
    25,827.50x = 542,146,579.33
  5. Step 5: Solve for x
    x = 542,146,579.33/25,827.50
  6. Step 6: Final answer
    x = 20,991.06

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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.