Home / 19,576.80-29,369.76-5,726.88

Finding the Fourth Proportional to 19,576.80, 29,369.76 and 5,726.88

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Solution

The fourth proportional to 19,576.80, 29,369.76 and 5,726.88 is: 8,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.80 : 29,369.76 = 5,726.88 : x
  2. Step 2: Convert to fraction form
    19,576.80/29,369.76 = 5,726.88/x
  3. Step 3: Cross multiply
    19,576.80x = 29,369.76 × 5,726.88
  4. Step 4: Simplify right side
    19,576.80x = 168,197,091.15
  5. Step 5: Solve for x
    x = 168,197,091.15/19,576.80
  6. Step 6: Final answer
    x = 8,591.65

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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.