Home / 19,709.55-27,199.77-10,757.64

Finding the Fourth Proportional to 19,709.55, 27,199.77 and 10,757.64

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Solution

The fourth proportional to 19,709.55, 27,199.77 and 10,757.64 is: 14,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.55 : 27,199.77 = 10,757.64 : x
  2. Step 2: Convert to fraction form
    19,709.55/27,199.77 = 10,757.64/x
  3. Step 3: Cross multiply
    19,709.55x = 27,199.77 × 10,757.64
  4. Step 4: Simplify right side
    19,709.55x = 292,605,333.74
  5. Step 5: Solve for x
    x = 292,605,333.74/19,709.55
  6. Step 6: Final answer
    x = 14,845.87

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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.