Home / 18,116.27-27,170.95-5,636.45

Finding the Fourth Proportional to 18,116.27, 27,170.95 and 5,636.45

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Solution

The fourth proportional to 18,116.27, 27,170.95 and 5,636.45 is: 8,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.27 : 27,170.95 = 5,636.45 : x
  2. Step 2: Convert to fraction form
    18,116.27/27,170.95 = 5,636.45/x
  3. Step 3: Cross multiply
    18,116.27x = 27,170.95 × 5,636.45
  4. Step 4: Simplify right side
    18,116.27x = 153,147,701.13
  5. Step 5: Solve for x
    x = 153,147,701.13/18,116.27
  6. Step 6: Final answer
    x = 8,453.60

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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.