Home / 16,388.58-22,618.92-9,675.84

Finding the Fourth Proportional to 16,388.58, 22,618.92 and 9,675.84

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Solution

The fourth proportional to 16,388.58, 22,618.92 and 9,675.84 is: 13,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.58 : 22,618.92 = 9,675.84 : x
  2. Step 2: Convert to fraction form
    16,388.58/22,618.92 = 9,675.84/x
  3. Step 3: Cross multiply
    16,388.58x = 22,618.92 × 9,675.84
  4. Step 4: Simplify right side
    16,388.58x = 218,857,050.89
  5. Step 5: Solve for x
    x = 218,857,050.89/16,388.58
  6. Step 6: Final answer
    x = 13,354.24

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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.