Home / 16,520.39-22,800.63-10,556.03

Finding the Fourth Proportional to 16,520.39, 22,800.63 and 10,556.03

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Solution

The fourth proportional to 16,520.39, 22,800.63 and 10,556.03 is: 14,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.39 : 22,800.63 = 10,556.03 : x
  2. Step 2: Convert to fraction form
    16,520.39/22,800.63 = 10,556.03/x
  3. Step 3: Cross multiply
    16,520.39x = 22,800.63 × 10,556.03
  4. Step 4: Simplify right side
    16,520.39x = 240,684,134.30
  5. Step 5: Solve for x
    x = 240,684,134.30/16,520.39
  6. Step 6: Final answer
    x = 14,568.91

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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.