Home / 25,767.90-35,576.76-19,788.84

Finding the Fourth Proportional to 25,767.90, 35,576.76 and 19,788.84

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Solution

The fourth proportional to 25,767.90, 35,576.76 and 19,788.84 is: 27,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.90 : 35,576.76 = 19,788.84 : x
  2. Step 2: Convert to fraction form
    25,767.90/35,576.76 = 19,788.84/x
  3. Step 3: Cross multiply
    25,767.90x = 35,576.76 × 19,788.84
  4. Step 4: Simplify right side
    25,767.90x = 704,022,811.36
  5. Step 5: Solve for x
    x = 704,022,811.36/25,767.90
  6. Step 6: Final answer
    x = 27,321.70

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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.