Home / 25,818.89-35,563.68-18,252.20

Finding the Fourth Proportional to 25,818.89, 35,563.68 and 18,252.20

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Solution

The fourth proportional to 25,818.89, 35,563.68 and 18,252.20 is: 25,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,818.89 : 35,563.68 = 18,252.20 : x
  2. Step 2: Convert to fraction form
    25,818.89/35,563.68 = 18,252.20/x
  3. Step 3: Cross multiply
    25,818.89x = 35,563.68 × 18,252.20
  4. Step 4: Simplify right side
    25,818.89x = 649,115,489.01
  5. Step 5: Solve for x
    x = 649,115,489.01/25,818.89
  6. Step 6: Final answer
    x = 25,141.11

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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.