Home / 16,821.69-23,212.19-10,360.30

Finding the Fourth Proportional to 16,821.69, 23,212.19 and 10,360.30

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Solution

The fourth proportional to 16,821.69, 23,212.19 and 10,360.30 is: 14,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.69 : 23,212.19 = 10,360.30 : x
  2. Step 2: Convert to fraction form
    16,821.69/23,212.19 = 10,360.30/x
  3. Step 3: Cross multiply
    16,821.69x = 23,212.19 × 10,360.30
  4. Step 4: Simplify right side
    16,821.69x = 240,485,219.93
  5. Step 5: Solve for x
    x = 240,485,219.93/16,821.69
  6. Step 6: Final answer
    x = 14,296.14

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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.