Home / 22,639.97-31,247.60-14,458.32

Finding the Fourth Proportional to 22,639.97, 31,247.60 and 14,458.32

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Solution

The fourth proportional to 22,639.97, 31,247.60 and 14,458.32 is: 19,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.97 : 31,247.60 = 14,458.32 : x
  2. Step 2: Convert to fraction form
    22,639.97/31,247.60 = 14,458.32/x
  3. Step 3: Cross multiply
    22,639.97x = 31,247.60 × 14,458.32
  4. Step 4: Simplify right side
    22,639.97x = 451,787,727.74
  5. Step 5: Solve for x
    x = 451,787,727.74/22,639.97
  6. Step 6: Final answer
    x = 19,955.31

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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.