Home / 16,035.12-22,124.16-10,990.80

Finding the Fourth Proportional to 16,035.12, 22,124.16 and 10,990.80

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Solution

The fourth proportional to 16,035.12, 22,124.16 and 10,990.80 is: 15,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.12 : 22,124.16 = 10,990.80 : x
  2. Step 2: Convert to fraction form
    16,035.12/22,124.16 = 10,990.80/x
  3. Step 3: Cross multiply
    16,035.12x = 22,124.16 × 10,990.80
  4. Step 4: Simplify right side
    16,035.12x = 243,162,217.73
  5. Step 5: Solve for x
    x = 243,162,217.73/16,035.12
  6. Step 6: Final answer
    x = 15,164.35

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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.