Home / 14,260.05-19,679.52-7,972.43

Finding the Fourth Proportional to 14,260.05, 19,679.52 and 7,972.43

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Solution

The fourth proportional to 14,260.05, 19,679.52 and 7,972.43 is: 11,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.05 : 19,679.52 = 7,972.43 : x
  2. Step 2: Convert to fraction form
    14,260.05/19,679.52 = 7,972.43/x
  3. Step 3: Cross multiply
    14,260.05x = 19,679.52 × 7,972.43
  4. Step 4: Simplify right side
    14,260.05x = 156,893,497.24
  5. Step 5: Solve for x
    x = 156,893,497.24/14,260.05
  6. Step 6: Final answer
    x = 11,002.31

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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.