Home / 19,708.74-27,198.72-10,756.76

Finding the Fourth Proportional to 19,708.74, 27,198.72 and 10,756.76

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Solution

The fourth proportional to 19,708.74, 27,198.72 and 10,756.76 is: 14,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.74 : 27,198.72 = 10,756.76 : x
  2. Step 2: Convert to fraction form
    19,708.74/27,198.72 = 10,756.76/x
  3. Step 3: Cross multiply
    19,708.74x = 27,198.72 × 10,756.76
  4. Step 4: Simplify right side
    19,708.74x = 292,569,967.35
  5. Step 5: Solve for x
    x = 292,569,967.35/19,708.74
  6. Step 6: Final answer
    x = 14,844.68

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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.