Home / 38,870.73-58,318.56-13,893.84

Finding the Fourth Proportional to 38,870.73, 58,318.56 and 13,893.84

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Solution

The fourth proportional to 38,870.73, 58,318.56 and 13,893.84 is: 20,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.73 : 58,318.56 = 13,893.84 : x
  2. Step 2: Convert to fraction form
    38,870.73/58,318.56 = 13,893.84/x
  3. Step 3: Cross multiply
    38,870.73x = 58,318.56 × 13,893.84
  4. Step 4: Simplify right side
    38,870.73x = 810,268,741.67
  5. Step 5: Solve for x
    x = 810,268,741.67/38,870.73
  6. Step 6: Final answer
    x = 20,845.22

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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.