Home / 14,026.31-19,356.21-7,976.55

Finding the Fourth Proportional to 14,026.31, 19,356.21 and 7,976.55

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Solution

The fourth proportional to 14,026.31, 19,356.21 and 7,976.55 is: 11,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.31 : 19,356.21 = 7,976.55 : x
  2. Step 2: Convert to fraction form
    14,026.31/19,356.21 = 7,976.55/x
  3. Step 3: Cross multiply
    14,026.31x = 19,356.21 × 7,976.55
  4. Step 4: Simplify right side
    14,026.31x = 154,395,776.88
  5. Step 5: Solve for x
    x = 154,395,776.88/14,026.31
  6. Step 6: Final answer
    x = 11,007.58

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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.