Home / 16,268.90-24,391.53-10,990.70

Finding the Fourth Proportional to 16,268.90, 24,391.53 and 10,990.70

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Solution

The fourth proportional to 16,268.90, 24,391.53 and 10,990.70 is: 16,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.90 : 24,391.53 = 10,990.70 : x
  2. Step 2: Convert to fraction form
    16,268.90/24,391.53 = 10,990.70/x
  3. Step 3: Cross multiply
    16,268.90x = 24,391.53 × 10,990.70
  4. Step 4: Simplify right side
    16,268.90x = 268,079,866.81
  5. Step 5: Solve for x
    x = 268,079,866.81/16,268.90
  6. Step 6: Final answer
    x = 16,478.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.