Home / 16,239.35-22,409.84-9,166.43

Finding the Fourth Proportional to 16,239.35, 22,409.84 and 9,166.43

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Solution

The fourth proportional to 16,239.35, 22,409.84 and 9,166.43 is: 12,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.35 : 22,409.84 = 9,166.43 : x
  2. Step 2: Convert to fraction form
    16,239.35/22,409.84 = 9,166.43/x
  3. Step 3: Cross multiply
    16,239.35x = 22,409.84 × 9,166.43
  4. Step 4: Simplify right side
    16,239.35x = 205,418,071.79
  5. Step 5: Solve for x
    x = 205,418,071.79/16,239.35
  6. Step 6: Final answer
    x = 12,649.41

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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.