Home / 19,708.92-27,198.40-10,756.63

Finding the Fourth Proportional to 19,708.92, 27,198.40 and 10,756.63

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Solution

The fourth proportional to 19,708.92, 27,198.40 and 10,756.63 is: 14,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.92 : 27,198.40 = 10,756.63 : x
  2. Step 2: Convert to fraction form
    19,708.92/27,198.40 = 10,756.63/x
  3. Step 3: Cross multiply
    19,708.92x = 27,198.40 × 10,756.63
  4. Step 4: Simplify right side
    19,708.92x = 292,562,989.40
  5. Step 5: Solve for x
    x = 292,562,989.40/19,708.92
  6. Step 6: Final answer
    x = 14,844.20

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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.