Home / 19,816.69-29,726.08-5,025.74

Finding the Fourth Proportional to 19,816.69, 29,726.08 and 5,025.74

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Solution

The fourth proportional to 19,816.69, 29,726.08 and 5,025.74 is: 7,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.69 : 29,726.08 = 5,025.74 : x
  2. Step 2: Convert to fraction form
    19,816.69/29,726.08 = 5,025.74/x
  3. Step 3: Cross multiply
    19,816.69x = 29,726.08 × 5,025.74
  4. Step 4: Simplify right side
    19,816.69x = 149,395,375.54
  5. Step 5: Solve for x
    x = 149,395,375.54/19,816.69
  6. Step 6: Final answer
    x = 7,538.87

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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.