Home / 20,566.67-28,380.44-11,612.93

Finding the Fourth Proportional to 20,566.67, 28,380.44 and 11,612.93

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Solution

The fourth proportional to 20,566.67, 28,380.44 and 11,612.93 is: 16,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.67 : 28,380.44 = 11,612.93 : x
  2. Step 2: Convert to fraction form
    20,566.67/28,380.44 = 11,612.93/x
  3. Step 3: Cross multiply
    20,566.67x = 28,380.44 × 11,612.93
  4. Step 4: Simplify right side
    20,566.67x = 329,579,950.22
  5. Step 5: Solve for x
    x = 329,579,950.22/20,566.67
  6. Step 6: Final answer
    x = 16,024.96

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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.