Home / 13,935.11-19,222.34-8,626.14

Finding the Fourth Proportional to 13,935.11, 19,222.34 and 8,626.14

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Solution

The fourth proportional to 13,935.11, 19,222.34 and 8,626.14 is: 11,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.11 : 19,222.34 = 8,626.14 : x
  2. Step 2: Convert to fraction form
    13,935.11/19,222.34 = 8,626.14/x
  3. Step 3: Cross multiply
    13,935.11x = 19,222.34 × 8,626.14
  4. Step 4: Simplify right side
    13,935.11x = 165,814,552.84
  5. Step 5: Solve for x
    x = 165,814,552.84/13,935.11
  6. Step 6: Final answer
    x = 11,899.05

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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.