Home / 18,031.10-27,046.35-6,940.19

Finding the Fourth Proportional to 18,031.10, 27,046.35 and 6,940.19

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Solution

The fourth proportional to 18,031.10, 27,046.35 and 6,940.19 is: 10,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.10 : 27,046.35 = 6,940.19 : x
  2. Step 2: Convert to fraction form
    18,031.10/27,046.35 = 6,940.19/x
  3. Step 3: Cross multiply
    18,031.10x = 27,046.35 × 6,940.19
  4. Step 4: Simplify right side
    18,031.10x = 187,706,875.42
  5. Step 5: Solve for x
    x = 187,706,875.42/18,031.10
  6. Step 6: Final answer
    x = 10,410.18

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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.