Home / 14,578.19-20,120.34-11,035.25

Finding the Fourth Proportional to 14,578.19, 20,120.34 and 11,035.25

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Solution

The fourth proportional to 14,578.19, 20,120.34 and 11,035.25 is: 15,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.19 : 20,120.34 = 11,035.25 : x
  2. Step 2: Convert to fraction form
    14,578.19/20,120.34 = 11,035.25/x
  3. Step 3: Cross multiply
    14,578.19x = 20,120.34 × 11,035.25
  4. Step 4: Simplify right side
    14,578.19x = 222,032,981.99
  5. Step 5: Solve for x
    x = 222,032,981.99/14,578.19
  6. Step 6: Final answer
    x = 15,230.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.