Home / 16,506.13-22,820.79-12,520.93

Finding the Fourth Proportional to 16,506.13, 22,820.79 and 12,520.93

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Solution

The fourth proportional to 16,506.13, 22,820.79 and 12,520.93 is: 17,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.13 : 22,820.79 = 12,520.93 : x
  2. Step 2: Convert to fraction form
    16,506.13/22,820.79 = 12,520.93/x
  3. Step 3: Cross multiply
    16,506.13x = 22,820.79 × 12,520.93
  4. Step 4: Simplify right side
    16,506.13x = 285,737,514.13
  5. Step 5: Solve for x
    x = 285,737,514.13/16,506.13
  6. Step 6: Final answer
    x = 17,310.99

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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.