Home / 22,491.08-31,025.26-13,994.58

Finding the Fourth Proportional to 22,491.08, 31,025.26 and 13,994.58

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Solution

The fourth proportional to 22,491.08, 31,025.26 and 13,994.58 is: 19,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.08 : 31,025.26 = 13,994.58 : x
  2. Step 2: Convert to fraction form
    22,491.08/31,025.26 = 13,994.58/x
  3. Step 3: Cross multiply
    22,491.08x = 31,025.26 × 13,994.58
  4. Step 4: Simplify right side
    22,491.08x = 434,185,483.09
  5. Step 5: Solve for x
    x = 434,185,483.09/22,491.08
  6. Step 6: Final answer
    x = 19,304.79

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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.