Home / 15,633.69-23,462.36-12,115.13

Finding the Fourth Proportional to 15,633.69, 23,462.36 and 12,115.13

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Solution

The fourth proportional to 15,633.69, 23,462.36 and 12,115.13 is: 18,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.69 : 23,462.36 = 12,115.13 : x
  2. Step 2: Convert to fraction form
    15,633.69/23,462.36 = 12,115.13/x
  3. Step 3: Cross multiply
    15,633.69x = 23,462.36 × 12,115.13
  4. Step 4: Simplify right side
    15,633.69x = 284,249,363.62
  5. Step 5: Solve for x
    x = 284,249,363.62/15,633.69
  6. Step 6: Final answer
    x = 18,181.85

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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.