Home / 13,726.80-20,582.46-4,365.09

Finding the Fourth Proportional to 13,726.80, 20,582.46 and 4,365.09

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Solution

The fourth proportional to 13,726.80, 20,582.46 and 4,365.09 is: 6,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.80 : 20,582.46 = 4,365.09 : x
  2. Step 2: Convert to fraction form
    13,726.80/20,582.46 = 4,365.09/x
  3. Step 3: Cross multiply
    13,726.80x = 20,582.46 × 4,365.09
  4. Step 4: Simplify right side
    13,726.80x = 89,844,290.32
  5. Step 5: Solve for x
    x = 89,844,290.32/13,726.80
  6. Step 6: Final answer
    x = 6,545.17

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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.