Home / 19,654.89-27,119.25-11,154.93

Finding the Fourth Proportional to 19,654.89, 27,119.25 and 11,154.93

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Solution

The fourth proportional to 19,654.89, 27,119.25 and 11,154.93 is: 15,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.89 : 27,119.25 = 11,154.93 : x
  2. Step 2: Convert to fraction form
    19,654.89/27,119.25 = 11,154.93/x
  3. Step 3: Cross multiply
    19,654.89x = 27,119.25 × 11,154.93
  4. Step 4: Simplify right side
    19,654.89x = 302,513,335.40
  5. Step 5: Solve for x
    x = 302,513,335.40/19,654.89
  6. Step 6: Final answer
    x = 15,391.25

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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.