Home / 19,461.82-26,662.79-18,732.93

Finding the Fourth Proportional to 19,461.82, 26,662.79 and 18,732.93

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Solution

The fourth proportional to 19,461.82, 26,662.79 and 18,732.93 is: 25,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.82 : 26,662.79 = 18,732.93 : x
  2. Step 2: Convert to fraction form
    19,461.82/26,662.79 = 18,732.93/x
  3. Step 3: Cross multiply
    19,461.82x = 26,662.79 × 18,732.93
  4. Step 4: Simplify right side
    19,461.82x = 499,472,178.67
  5. Step 5: Solve for x
    x = 499,472,178.67/19,461.82
  6. Step 6: Final answer
    x = 25,664.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.