Home / 16,004.32-22,078.10-10,343.90

Finding the Fourth Proportional to 16,004.32, 22,078.10 and 10,343.90

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Solution

The fourth proportional to 16,004.32, 22,078.10 and 10,343.90 is: 14,269.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,004.32 : 22,078.10 = 10,343.90 : x
  2. Step 2: Convert to fraction form
    16,004.32/22,078.10 = 10,343.90/x
  3. Step 3: Cross multiply
    16,004.32x = 22,078.10 × 10,343.90
  4. Step 4: Simplify right side
    16,004.32x = 228,373,739.65
  5. Step 5: Solve for x
    x = 228,373,739.65/16,004.32
  6. Step 6: Final answer
    x = 14,269.51

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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.