Home / 19,709.55-27,198.18-10,756.98

Finding the Fourth Proportional to 19,709.55, 27,198.18 and 10,756.98

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Solution

The fourth proportional to 19,709.55, 27,198.18 and 10,756.98 is: 14,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.55 : 27,198.18 = 10,756.98 : x
  2. Step 2: Convert to fraction form
    19,709.55/27,198.18 = 10,756.98/x
  3. Step 3: Cross multiply
    19,709.55x = 27,198.18 × 10,756.98
  4. Step 4: Simplify right side
    19,709.55x = 292,570,278.30
  5. Step 5: Solve for x
    x = 292,570,278.30/19,709.55
  6. Step 6: Final answer
    x = 14,844.09

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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.