Home / 19,655.94-27,123.82-11,158.26

Finding the Fourth Proportional to 19,655.94, 27,123.82 and 11,158.26

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Solution

The fourth proportional to 19,655.94, 27,123.82 and 11,158.26 is: 15,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.94 : 27,123.82 = 11,158.26 : x
  2. Step 2: Convert to fraction form
    19,655.94/27,123.82 = 11,158.26/x
  3. Step 3: Cross multiply
    19,655.94x = 27,123.82 × 11,158.26
  4. Step 4: Simplify right side
    19,655.94x = 302,654,635.75
  5. Step 5: Solve for x
    x = 302,654,635.75/19,655.94
  6. Step 6: Final answer
    x = 15,397.62

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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.