Home / 14,402.39-21,600.34-5,168.39

Finding the Fourth Proportional to 14,402.39, 21,600.34 and 5,168.39

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Solution

The fourth proportional to 14,402.39, 21,600.34 and 5,168.39 is: 7,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.39 : 21,600.34 = 5,168.39 : x
  2. Step 2: Convert to fraction form
    14,402.39/21,600.34 = 5,168.39/x
  3. Step 3: Cross multiply
    14,402.39x = 21,600.34 × 5,168.39
  4. Step 4: Simplify right side
    14,402.39x = 111,638,981.25
  5. Step 5: Solve for x
    x = 111,638,981.25/14,402.39
  6. Step 6: Final answer
    x = 7,751.42

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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.