Home / 17,976.40-24,800.11-11,929.49

Finding the Fourth Proportional to 17,976.40, 24,800.11 and 11,929.49

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Solution

The fourth proportional to 17,976.40, 24,800.11 and 11,929.49 is: 16,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.40 : 24,800.11 = 11,929.49 : x
  2. Step 2: Convert to fraction form
    17,976.40/24,800.11 = 11,929.49/x
  3. Step 3: Cross multiply
    17,976.40x = 24,800.11 × 11,929.49
  4. Step 4: Simplify right side
    17,976.40x = 295,852,664.24
  5. Step 5: Solve for x
    x = 295,852,664.24/17,976.40
  6. Step 6: Final answer
    x = 16,457.84

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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.