Home / 16,834.51-23,231.79-9,281.12

Finding the Fourth Proportional to 16,834.51, 23,231.79 and 9,281.12

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Solution

The fourth proportional to 16,834.51, 23,231.79 and 9,281.12 is: 12,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.51 : 23,231.79 = 9,281.12 : x
  2. Step 2: Convert to fraction form
    16,834.51/23,231.79 = 9,281.12/x
  3. Step 3: Cross multiply
    16,834.51x = 23,231.79 × 9,281.12
  4. Step 4: Simplify right side
    16,834.51x = 215,616,966.96
  5. Step 5: Solve for x
    x = 215,616,966.96/16,834.51
  6. Step 6: Final answer
    x = 12,808.03

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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.