Home / 16,988.22-25,481.43-5,300.10

Finding the Fourth Proportional to 16,988.22, 25,481.43 and 5,300.10

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Solution

The fourth proportional to 16,988.22, 25,481.43 and 5,300.10 is: 7,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.22 : 25,481.43 = 5,300.10 : x
  2. Step 2: Convert to fraction form
    16,988.22/25,481.43 = 5,300.10/x
  3. Step 3: Cross multiply
    16,988.22x = 25,481.43 × 5,300.10
  4. Step 4: Simplify right side
    16,988.22x = 135,054,127.14
  5. Step 5: Solve for x
    x = 135,054,127.14/16,988.22
  6. Step 6: Final answer
    x = 7,949.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.