Home / 18,192.49-27,289.90-5,713.02

Finding the Fourth Proportional to 18,192.49, 27,289.90 and 5,713.02

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Solution

The fourth proportional to 18,192.49, 27,289.90 and 5,713.02 is: 8,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.49 : 27,289.90 = 5,713.02 : x
  2. Step 2: Convert to fraction form
    18,192.49/27,289.90 = 5,713.02/x
  3. Step 3: Cross multiply
    18,192.49x = 27,289.90 × 5,713.02
  4. Step 4: Simplify right side
    18,192.49x = 155,907,730.22
  5. Step 5: Solve for x
    x = 155,907,730.22/18,192.49
  6. Step 6: Final answer
    x = 8,569.90

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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.