Home / 14,346.48-21,519.72-5,112.48

Finding the Fourth Proportional to 14,346.48, 21,519.72 and 5,112.48

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Solution

The fourth proportional to 14,346.48, 21,519.72 and 5,112.48 is: 7,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.48 : 21,519.72 = 5,112.48 : x
  2. Step 2: Convert to fraction form
    14,346.48/21,519.72 = 5,112.48/x
  3. Step 3: Cross multiply
    14,346.48x = 21,519.72 × 5,112.48
  4. Step 4: Simplify right side
    14,346.48x = 110,019,138.11
  5. Step 5: Solve for x
    x = 110,019,138.11/14,346.48
  6. Step 6: Final answer
    x = 7,668.72

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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.