Home / 16,520.40-22,791.24-10,228.32

Finding the Fourth Proportional to 16,520.40, 22,791.24 and 10,228.32

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Solution

The fourth proportional to 16,520.40, 22,791.24 and 10,228.32 is: 14,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.40 : 22,791.24 = 10,228.32 : x
  2. Step 2: Convert to fraction form
    16,520.40/22,791.24 = 10,228.32/x
  3. Step 3: Cross multiply
    16,520.40x = 22,791.24 × 10,228.32
  4. Step 4: Simplify right side
    16,520.40x = 233,116,095.92
  5. Step 5: Solve for x
    x = 233,116,095.92/16,520.40
  6. Step 6: Final answer
    x = 14,110.80

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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.