Home / 39,540.51-59,304.56-13,245.48

Finding the Fourth Proportional to 39,540.51, 59,304.56 and 13,245.48

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Solution

The fourth proportional to 39,540.51, 59,304.56 and 13,245.48 is: 19,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.51 : 59,304.56 = 13,245.48 : x
  2. Step 2: Convert to fraction form
    39,540.51/59,304.56 = 13,245.48/x
  3. Step 3: Cross multiply
    39,540.51x = 59,304.56 × 13,245.48
  4. Step 4: Simplify right side
    39,540.51x = 785,517,297.16
  5. Step 5: Solve for x
    x = 785,517,297.16/39,540.51
  6. Step 6: Final answer
    x = 19,866.14

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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.