Home / 19,654.75-27,123.56-10,822.75

Finding the Fourth Proportional to 19,654.75, 27,123.56 and 10,822.75

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Solution

The fourth proportional to 19,654.75, 27,123.56 and 10,822.75 is: 14,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.75 : 27,123.56 = 10,822.75 : x
  2. Step 2: Convert to fraction form
    19,654.75/27,123.56 = 10,822.75/x
  3. Step 3: Cross multiply
    19,654.75x = 27,123.56 × 10,822.75
  4. Step 4: Simplify right side
    19,654.75x = 293,551,508.99
  5. Step 5: Solve for x
    x = 293,551,508.99/19,654.75
  6. Step 6: Final answer
    x = 14,935.40

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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.