Home / 38,667.22-57,986.59-13,360.29

Finding the Fourth Proportional to 38,667.22, 57,986.59 and 13,360.29

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Solution

The fourth proportional to 38,667.22, 57,986.59 and 13,360.29 is: 20,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.22 : 57,986.59 = 13,360.29 : x
  2. Step 2: Convert to fraction form
    38,667.22/57,986.59 = 13,360.29/x
  3. Step 3: Cross multiply
    38,667.22x = 57,986.59 × 13,360.29
  4. Step 4: Simplify right side
    38,667.22x = 774,717,658.51
  5. Step 5: Solve for x
    x = 774,717,658.51/38,667.22
  6. Step 6: Final answer
    x = 20,035.51

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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.