Home / 16,721.86-23,078.08-9,552.90

Finding the Fourth Proportional to 16,721.86, 23,078.08 and 9,552.90

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Solution

The fourth proportional to 16,721.86, 23,078.08 and 9,552.90 is: 13,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.86 : 23,078.08 = 9,552.90 : x
  2. Step 2: Convert to fraction form
    16,721.86/23,078.08 = 9,552.90/x
  3. Step 3: Cross multiply
    16,721.86x = 23,078.08 × 9,552.90
  4. Step 4: Simplify right side
    16,721.86x = 220,462,590.43
  5. Step 5: Solve for x
    x = 220,462,590.43/16,721.86
  6. Step 6: Final answer
    x = 13,184.09

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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.