Home / 16,412.64-22,651.11-9,700.44

Finding the Fourth Proportional to 16,412.64, 22,651.11 and 9,700.44

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Solution

The fourth proportional to 16,412.64, 22,651.11 and 9,700.44 is: 13,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.64 : 22,651.11 = 9,700.44 : x
  2. Step 2: Convert to fraction form
    16,412.64/22,651.11 = 9,700.44/x
  3. Step 3: Cross multiply
    16,412.64x = 22,651.11 × 9,700.44
  4. Step 4: Simplify right side
    16,412.64x = 219,725,733.49
  5. Step 5: Solve for x
    x = 219,725,733.49/16,412.64
  6. Step 6: Final answer
    x = 13,387.59

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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.