Home / 19,576.65-29,355.41-13,656.38

Finding the Fourth Proportional to 19,576.65, 29,355.41 and 13,656.38

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Solution

The fourth proportional to 19,576.65, 29,355.41 and 13,656.38 is: 20,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.65 : 29,355.41 = 13,656.38 : x
  2. Step 2: Convert to fraction form
    19,576.65/29,355.41 = 13,656.38/x
  3. Step 3: Cross multiply
    19,576.65x = 29,355.41 × 13,656.38
  4. Step 4: Simplify right side
    19,576.65x = 400,888,634.02
  5. Step 5: Solve for x
    x = 400,888,634.02/19,576.65
  6. Step 6: Final answer
    x = 20,477.90

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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.