Home / 13,840.66-19,091.86-8,531.52

Finding the Fourth Proportional to 13,840.66, 19,091.86 and 8,531.52

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Solution

The fourth proportional to 13,840.66, 19,091.86 and 8,531.52 is: 11,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.66 : 19,091.86 = 8,531.52 : x
  2. Step 2: Convert to fraction form
    13,840.66/19,091.86 = 8,531.52/x
  3. Step 3: Cross multiply
    13,840.66x = 19,091.86 × 8,531.52
  4. Step 4: Simplify right side
    13,840.66x = 162,882,585.43
  5. Step 5: Solve for x
    x = 162,882,585.43/13,840.66
  6. Step 6: Final answer
    x = 11,768.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.