Home / 22,464.12-30,999.99-12,392.57

Finding the Fourth Proportional to 22,464.12, 30,999.99 and 12,392.57

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Solution

The fourth proportional to 22,464.12, 30,999.99 and 12,392.57 is: 17,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,464.12 : 30,999.99 = 12,392.57 : x
  2. Step 2: Convert to fraction form
    22,464.12/30,999.99 = 12,392.57/x
  3. Step 3: Cross multiply
    22,464.12x = 30,999.99 × 12,392.57
  4. Step 4: Simplify right side
    22,464.12x = 384,169,546.07
  5. Step 5: Solve for x
    x = 384,169,546.07/22,464.12
  6. Step 6: Final answer
    x = 17,101.47

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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.