Home / 14,168.36-21,291.42-13,363.22

Finding the Fourth Proportional to 14,168.36, 21,291.42 and 13,363.22

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Solution

The fourth proportional to 14,168.36, 21,291.42 and 13,363.22 is: 20,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.36 : 21,291.42 = 13,363.22 : x
  2. Step 2: Convert to fraction form
    14,168.36/21,291.42 = 13,363.22/x
  3. Step 3: Cross multiply
    14,168.36x = 21,291.42 × 13,363.22
  4. Step 4: Simplify right side
    14,168.36x = 284,521,929.57
  5. Step 5: Solve for x
    x = 284,521,929.57/14,168.36
  6. Step 6: Final answer
    x = 20,081.50

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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.