Home / 13,736.93-20,587.16-7,161.35

Finding the Fourth Proportional to 13,736.93, 20,587.16 and 7,161.35

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Solution

The fourth proportional to 13,736.93, 20,587.16 and 7,161.35 is: 10,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.93 : 20,587.16 = 7,161.35 : x
  2. Step 2: Convert to fraction form
    13,736.93/20,587.16 = 7,161.35/x
  3. Step 3: Cross multiply
    13,736.93x = 20,587.16 × 7,161.35
  4. Step 4: Simplify right side
    13,736.93x = 147,431,773.23
  5. Step 5: Solve for x
    x = 147,431,773.23/13,736.93
  6. Step 6: Final answer
    x = 10,732.52

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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.