Home / 13,444.38-20,166.59-5,236.38

Finding the Fourth Proportional to 13,444.38, 20,166.59 and 5,236.38

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Solution

The fourth proportional to 13,444.38, 20,166.59 and 5,236.38 is: 7,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.38 : 20,166.59 = 5,236.38 : x
  2. Step 2: Convert to fraction form
    13,444.38/20,166.59 = 5,236.38/x
  3. Step 3: Cross multiply
    13,444.38x = 20,166.59 × 5,236.38
  4. Step 4: Simplify right side
    13,444.38x = 105,599,801.53
  5. Step 5: Solve for x
    x = 105,599,801.53/13,444.38
  6. Step 6: Final answer
    x = 7,854.57

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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.