Home / 19,764.68-27,274.39-10,812.35

Finding the Fourth Proportional to 19,764.68, 27,274.39 and 10,812.35

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Solution

The fourth proportional to 19,764.68, 27,274.39 and 10,812.35 is: 14,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.68 : 27,274.39 = 10,812.35 : x
  2. Step 2: Convert to fraction form
    19,764.68/27,274.39 = 10,812.35/x
  3. Step 3: Cross multiply
    19,764.68x = 27,274.39 × 10,812.35
  4. Step 4: Simplify right side
    19,764.68x = 294,900,291.87
  5. Step 5: Solve for x
    x = 294,900,291.87/19,764.68
  6. Step 6: Final answer
    x = 14,920.57

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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.