Home / 38,166.53-57,238.86-12,863.30

Finding the Fourth Proportional to 38,166.53, 57,238.86 and 12,863.30

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Solution

The fourth proportional to 38,166.53, 57,238.86 and 12,863.30 is: 19,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.53 : 57,238.86 = 12,863.30 : x
  2. Step 2: Convert to fraction form
    38,166.53/57,238.86 = 12,863.30/x
  3. Step 3: Cross multiply
    38,166.53x = 57,238.86 × 12,863.30
  4. Step 4: Simplify right side
    38,166.53x = 736,280,341.64
  5. Step 5: Solve for x
    x = 736,280,341.64/38,166.53
  6. Step 6: Final answer
    x = 19,291.26

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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.