Home / 19,606.72-27,046.92-12,423.96

Finding the Fourth Proportional to 19,606.72, 27,046.92 and 12,423.96

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Solution

The fourth proportional to 19,606.72, 27,046.92 and 12,423.96 is: 17,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.72 : 27,046.92 = 12,423.96 : x
  2. Step 2: Convert to fraction form
    19,606.72/27,046.92 = 12,423.96/x
  3. Step 3: Cross multiply
    19,606.72x = 27,046.92 × 12,423.96
  4. Step 4: Simplify right side
    19,606.72x = 336,029,852.20
  5. Step 5: Solve for x
    x = 336,029,852.20/19,606.72
  6. Step 6: Final answer
    x = 17,138.50

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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.