Home / 16,990.62-23,451.51-9,541.02

Finding the Fourth Proportional to 16,990.62, 23,451.51 and 9,541.02

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Solution

The fourth proportional to 16,990.62, 23,451.51 and 9,541.02 is: 13,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.62 : 23,451.51 = 9,541.02 : x
  2. Step 2: Convert to fraction form
    16,990.62/23,451.51 = 9,541.02/x
  3. Step 3: Cross multiply
    16,990.62x = 23,451.51 × 9,541.02
  4. Step 4: Simplify right side
    16,990.62x = 223,751,325.94
  5. Step 5: Solve for x
    x = 223,751,325.94/16,990.62
  6. Step 6: Final answer
    x = 13,169.11

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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.