Home / 16,342.96-22,511.28-12,799.84

Finding the Fourth Proportional to 16,342.96, 22,511.28 and 12,799.84

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Solution

The fourth proportional to 16,342.96, 22,511.28 and 12,799.84 is: 17,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,342.96 : 22,511.28 = 12,799.84 : x
  2. Step 2: Convert to fraction form
    16,342.96/22,511.28 = 12,799.84/x
  3. Step 3: Cross multiply
    16,342.96x = 22,511.28 × 12,799.84
  4. Step 4: Simplify right side
    16,342.96x = 288,140,782.20
  5. Step 5: Solve for x
    x = 288,140,782.20/16,342.96
  6. Step 6: Final answer
    x = 17,630.88

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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.