Home / 38,261.08-57,400.86-13,297.50

Finding the Fourth Proportional to 38,261.08, 57,400.86 and 13,297.50

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Solution

The fourth proportional to 38,261.08, 57,400.86 and 13,297.50 is: 19,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.08 : 57,400.86 = 13,297.50 : x
  2. Step 2: Convert to fraction form
    38,261.08/57,400.86 = 13,297.50/x
  3. Step 3: Cross multiply
    38,261.08x = 57,400.86 × 13,297.50
  4. Step 4: Simplify right side
    38,261.08x = 763,287,935.85
  5. Step 5: Solve for x
    x = 763,287,935.85/38,261.08
  6. Step 6: Final answer
    x = 19,949.46

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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.