Home / 19,637.68-27,099.60-10,685.04

Finding the Fourth Proportional to 19,637.68, 27,099.60 and 10,685.04

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Solution

The fourth proportional to 19,637.68, 27,099.60 and 10,685.04 is: 14,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.68 : 27,099.60 = 10,685.04 : x
  2. Step 2: Convert to fraction form
    19,637.68/27,099.60 = 10,685.04/x
  3. Step 3: Cross multiply
    19,637.68x = 27,099.60 × 10,685.04
  4. Step 4: Simplify right side
    19,637.68x = 289,560,309.98
  5. Step 5: Solve for x
    x = 289,560,309.98/19,637.68
  6. Step 6: Final answer
    x = 14,745.14

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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.