Home / 16,529.20-22,810.20-8,975.68

Finding the Fourth Proportional to 16,529.20, 22,810.20 and 8,975.68

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Solution

The fourth proportional to 16,529.20, 22,810.20 and 8,975.68 is: 12,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,529.20 : 22,810.20 = 8,975.68 : x
  2. Step 2: Convert to fraction form
    16,529.20/22,810.20 = 8,975.68/x
  3. Step 3: Cross multiply
    16,529.20x = 22,810.20 × 8,975.68
  4. Step 4: Simplify right side
    16,529.20x = 204,737,055.94
  5. Step 5: Solve for x
    x = 204,737,055.94/16,529.20
  6. Step 6: Final answer
    x = 12,386.39

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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.