Home / 18,567.24-27,852.06-5,418.50

Finding the Fourth Proportional to 18,567.24, 27,852.06 and 5,418.50

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Solution

The fourth proportional to 18,567.24, 27,852.06 and 5,418.50 is: 8,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.24 : 27,852.06 = 5,418.50 : x
  2. Step 2: Convert to fraction form
    18,567.24/27,852.06 = 5,418.50/x
  3. Step 3: Cross multiply
    18,567.24x = 27,852.06 × 5,418.50
  4. Step 4: Simplify right side
    18,567.24x = 150,916,387.11
  5. Step 5: Solve for x
    x = 150,916,387.11/18,567.24
  6. Step 6: Final answer
    x = 8,128.10

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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.