Home / 19,685.71-27,165.78-10,733.38

Finding the Fourth Proportional to 19,685.71, 27,165.78 and 10,733.38

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Solution

The fourth proportional to 19,685.71, 27,165.78 and 10,733.38 is: 14,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.71 : 27,165.78 = 10,733.38 : x
  2. Step 2: Convert to fraction form
    19,685.71/27,165.78 = 10,733.38/x
  3. Step 3: Cross multiply
    19,685.71x = 27,165.78 × 10,733.38
  4. Step 4: Simplify right side
    19,685.71x = 291,580,734.48
  5. Step 5: Solve for x
    x = 291,580,734.48/19,685.71
  6. Step 6: Final answer
    x = 14,811.80

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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.