Home / 22,429.22-33,620.74-9,955.12

Finding the Fourth Proportional to 22,429.22, 33,620.74 and 9,955.12

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Solution

The fourth proportional to 22,429.22, 33,620.74 and 9,955.12 is: 14,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.22 : 33,620.74 = 9,955.12 : x
  2. Step 2: Convert to fraction form
    22,429.22/33,620.74 = 9,955.12/x
  3. Step 3: Cross multiply
    22,429.22x = 33,620.74 × 9,955.12
  4. Step 4: Simplify right side
    22,429.22x = 334,698,392.25
  5. Step 5: Solve for x
    x = 334,698,392.25/22,429.22
  6. Step 6: Final answer
    x = 14,922.43

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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.