Home / 16,515.96-22,790.52-9,800.43

Finding the Fourth Proportional to 16,515.96, 22,790.52 and 9,800.43

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Solution

The fourth proportional to 16,515.96, 22,790.52 and 9,800.43 is: 13,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.96 : 22,790.52 = 9,800.43 : x
  2. Step 2: Convert to fraction form
    16,515.96/22,790.52 = 9,800.43/x
  3. Step 3: Cross multiply
    16,515.96x = 22,790.52 × 9,800.43
  4. Step 4: Simplify right side
    16,515.96x = 223,356,895.92
  5. Step 5: Solve for x
    x = 223,356,895.92/16,515.96
  6. Step 6: Final answer
    x = 13,523.70

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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.