Home / 38,382.54-57,588.57-13,425.18

Finding the Fourth Proportional to 38,382.54, 57,588.57 and 13,425.18

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Solution

The fourth proportional to 38,382.54, 57,588.57 and 13,425.18 is: 20,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.54 : 57,588.57 = 13,425.18 : x
  2. Step 2: Convert to fraction form
    38,382.54/57,588.57 = 13,425.18/x
  3. Step 3: Cross multiply
    38,382.54x = 57,588.57 × 13,425.18
  4. Step 4: Simplify right side
    38,382.54x = 773,136,918.19
  5. Step 5: Solve for x
    x = 773,136,918.19/38,382.54
  6. Step 6: Final answer
    x = 20,142.93

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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.