Home / 17,295.90-23,855.50-11,920.08

Finding the Fourth Proportional to 17,295.90, 23,855.50 and 11,920.08

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Solution

The fourth proportional to 17,295.90, 23,855.50 and 11,920.08 is: 16,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,295.90 : 23,855.50 = 11,920.08 : x
  2. Step 2: Convert to fraction form
    17,295.90/23,855.50 = 11,920.08/x
  3. Step 3: Cross multiply
    17,295.90x = 23,855.50 × 11,920.08
  4. Step 4: Simplify right side
    17,295.90x = 284,359,468.44
  5. Step 5: Solve for x
    x = 284,359,468.44/17,295.90
  6. Step 6: Final answer
    x = 16,440.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.