Home / 38,586.86-57,865.57-13,622.26

Finding the Fourth Proportional to 38,586.86, 57,865.57 and 13,622.26

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Solution

The fourth proportional to 38,586.86, 57,865.57 and 13,622.26 is: 20,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.86 : 57,865.57 = 13,622.26 : x
  2. Step 2: Convert to fraction form
    38,586.86/57,865.57 = 13,622.26/x
  3. Step 3: Cross multiply
    38,586.86x = 57,865.57 × 13,622.26
  4. Step 4: Simplify right side
    38,586.86x = 788,259,839.59
  5. Step 5: Solve for x
    x = 788,259,839.59/38,586.86
  6. Step 6: Final answer
    x = 20,428.19

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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.