Home / 18,459.95-27,643.59-11,410.97

Finding the Fourth Proportional to 18,459.95, 27,643.59 and 11,410.97

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Solution

The fourth proportional to 18,459.95, 27,643.59 and 11,410.97 is: 17,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.95 : 27,643.59 = 11,410.97 : x
  2. Step 2: Convert to fraction form
    18,459.95/27,643.59 = 11,410.97/x
  3. Step 3: Cross multiply
    18,459.95x = 27,643.59 × 11,410.97
  4. Step 4: Simplify right side
    18,459.95x = 315,440,037.96
  5. Step 5: Solve for x
    x = 315,440,037.96/18,459.95
  6. Step 6: Final answer
    x = 17,087.81

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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.