Home / 16,716.76-23,068.81-9,162.88

Finding the Fourth Proportional to 16,716.76, 23,068.81 and 9,162.88

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Solution

The fourth proportional to 16,716.76, 23,068.81 and 9,162.88 is: 12,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716.76 : 23,068.81 = 9,162.88 : x
  2. Step 2: Convert to fraction form
    16,716.76/23,068.81 = 9,162.88/x
  3. Step 3: Cross multiply
    16,716.76x = 23,068.81 × 9,162.88
  4. Step 4: Simplify right side
    16,716.76x = 211,376,576.61
  5. Step 5: Solve for x
    x = 211,376,576.61/16,716.76
  6. Step 6: Final answer
    x = 12,644.59

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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.