Home / 19,669.11-29,509.14-8,576.78

Finding the Fourth Proportional to 19,669.11, 29,509.14 and 8,576.78

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Solution

The fourth proportional to 19,669.11, 29,509.14 and 8,576.78 is: 12,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.11 : 29,509.14 = 8,576.78 : x
  2. Step 2: Convert to fraction form
    19,669.11/29,509.14 = 8,576.78/x
  3. Step 3: Cross multiply
    19,669.11x = 29,509.14 × 8,576.78
  4. Step 4: Simplify right side
    19,669.11x = 253,093,254.22
  5. Step 5: Solve for x
    x = 253,093,254.22/19,669.11
  6. Step 6: Final answer
    x = 12,867.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.