Home / 19,654.47-27,123.36-11,269.35

Finding the Fourth Proportional to 19,654.47, 27,123.36 and 11,269.35

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Solution

The fourth proportional to 19,654.47, 27,123.36 and 11,269.35 is: 15,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.47 : 27,123.36 = 11,269.35 : x
  2. Step 2: Convert to fraction form
    19,654.47/27,123.36 = 11,269.35/x
  3. Step 3: Cross multiply
    19,654.47x = 27,123.36 × 11,269.35
  4. Step 4: Simplify right side
    19,654.47x = 305,662,637.02
  5. Step 5: Solve for x
    x = 305,662,637.02/19,654.47
  6. Step 6: Final answer
    x = 15,551.81

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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.