Home / 14,310.43-19,749.54-7,937.65

Finding the Fourth Proportional to 14,310.43, 19,749.54 and 7,937.65

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Solution

The fourth proportional to 14,310.43, 19,749.54 and 7,937.65 is: 10,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.43 : 19,749.54 = 7,937.65 : x
  2. Step 2: Convert to fraction form
    14,310.43/19,749.54 = 7,937.65/x
  3. Step 3: Cross multiply
    14,310.43x = 19,749.54 × 7,937.65
  4. Step 4: Simplify right side
    14,310.43x = 156,764,936.18
  5. Step 5: Solve for x
    x = 156,764,936.18/14,310.43
  6. Step 6: Final answer
    x = 10,954.59

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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.