Home / 36,386.96-54,580.43-11,428.97

Finding the Fourth Proportional to 36,386.96, 54,580.43 and 11,428.97

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Solution

The fourth proportional to 36,386.96, 54,580.43 and 11,428.97 is: 17,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.96 : 54,580.43 = 11,428.97 : x
  2. Step 2: Convert to fraction form
    36,386.96/54,580.43 = 11,428.97/x
  3. Step 3: Cross multiply
    36,386.96x = 54,580.43 × 11,428.97
  4. Step 4: Simplify right side
    36,386.96x = 623,797,852.73
  5. Step 5: Solve for x
    x = 623,797,852.73/36,386.96
  6. Step 6: Final answer
    x = 17,143.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.