Home / 16,697.71-23,011.12-12,222.87

Finding the Fourth Proportional to 16,697.71, 23,011.12 and 12,222.87

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Solution

The fourth proportional to 16,697.71, 23,011.12 and 12,222.87 is: 16,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.71 : 23,011.12 = 12,222.87 : x
  2. Step 2: Convert to fraction form
    16,697.71/23,011.12 = 12,222.87/x
  3. Step 3: Cross multiply
    16,697.71x = 23,011.12 × 12,222.87
  4. Step 4: Simplify right side
    16,697.71x = 281,261,928.31
  5. Step 5: Solve for x
    x = 281,261,928.31/16,697.71
  6. Step 6: Final answer
    x = 16,844.34

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Double scale
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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.