Home / 18,196.59-27,294.75-4,687.68

Finding the Fourth Proportional to 18,196.59, 27,294.75 and 4,687.68

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Solution

The fourth proportional to 18,196.59, 27,294.75 and 4,687.68 is: 7,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.59 : 27,294.75 = 4,687.68 : x
  2. Step 2: Convert to fraction form
    18,196.59/27,294.75 = 4,687.68/x
  3. Step 3: Cross multiply
    18,196.59x = 27,294.75 × 4,687.68
  4. Step 4: Simplify right side
    18,196.59x = 127,949,053.68
  5. Step 5: Solve for x
    x = 127,949,053.68/18,196.59
  6. Step 6: Final answer
    x = 7,031.49

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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.