Home / 16,388.19-24,582.20-13,085.82

Finding the Fourth Proportional to 16,388.19, 24,582.20 and 13,085.82

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Solution

The fourth proportional to 16,388.19, 24,582.20 and 13,085.82 is: 19,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.19 : 24,582.20 = 13,085.82 : x
  2. Step 2: Convert to fraction form
    16,388.19/24,582.20 = 13,085.82/x
  3. Step 3: Cross multiply
    16,388.19x = 24,582.20 × 13,085.82
  4. Step 4: Simplify right side
    16,388.19x = 321,678,178.97
  5. Step 5: Solve for x
    x = 321,678,178.97/16,388.19
  6. Step 6: Final answer
    x = 19,628.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.