Home / 13,850.22-19,107.86-8,535.81

Finding the Fourth Proportional to 13,850.22, 19,107.86 and 8,535.81

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Solution

The fourth proportional to 13,850.22, 19,107.86 and 8,535.81 is: 11,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.22 : 19,107.86 = 8,535.81 : x
  2. Step 2: Convert to fraction form
    13,850.22/19,107.86 = 8,535.81/x
  3. Step 3: Cross multiply
    13,850.22x = 19,107.86 × 8,535.81
  4. Step 4: Simplify right side
    13,850.22x = 163,101,019.79
  5. Step 5: Solve for x
    x = 163,101,019.79/13,850.22
  6. Step 6: Final answer
    x = 11,776.06

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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.