Home / 16,964.73-23,411.30-9,412.20

Finding the Fourth Proportional to 16,964.73, 23,411.30 and 9,412.20

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Solution

The fourth proportional to 16,964.73, 23,411.30 and 9,412.20 is: 12,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.73 : 23,411.30 = 9,412.20 : x
  2. Step 2: Convert to fraction form
    16,964.73/23,411.30 = 9,412.20/x
  3. Step 3: Cross multiply
    16,964.73x = 23,411.30 × 9,412.20
  4. Step 4: Simplify right side
    16,964.73x = 220,351,837.86
  5. Step 5: Solve for x
    x = 220,351,837.86/16,964.73
  6. Step 6: Final answer
    x = 12,988.82

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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.