Home / 14,231.97-21,346.32-5,460.72

Finding the Fourth Proportional to 14,231.97, 21,346.32 and 5,460.72

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Solution

The fourth proportional to 14,231.97, 21,346.32 and 5,460.72 is: 8,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.97 : 21,346.32 = 5,460.72 : x
  2. Step 2: Convert to fraction form
    14,231.97/21,346.32 = 5,460.72/x
  3. Step 3: Cross multiply
    14,231.97x = 21,346.32 × 5,460.72
  4. Step 4: Simplify right side
    14,231.97x = 116,566,276.55
  5. Step 5: Solve for x
    x = 116,566,276.55/14,231.97
  6. Step 6: Final answer
    x = 8,190.45

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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.