Home / 19,709.75-27,199.95-10,758.08

Finding the Fourth Proportional to 19,709.75, 27,199.95 and 10,758.08

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Solution

The fourth proportional to 19,709.75, 27,199.95 and 10,758.08 is: 14,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.75 : 27,199.95 = 10,758.08 : x
  2. Step 2: Convert to fraction form
    19,709.75/27,199.95 = 10,758.08/x
  3. Step 3: Cross multiply
    19,709.75x = 27,199.95 × 10,758.08
  4. Step 4: Simplify right side
    19,709.75x = 292,619,238.10
  5. Step 5: Solve for x
    x = 292,619,238.10/19,709.75
  6. Step 6: Final answer
    x = 14,846.42

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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.