Home / 23,116.97-31,886.38-14,161.21

Finding the Fourth Proportional to 23,116.97, 31,886.38 and 14,161.21

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Solution

The fourth proportional to 23,116.97, 31,886.38 and 14,161.21 is: 19,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.97 : 31,886.38 = 14,161.21 : x
  2. Step 2: Convert to fraction form
    23,116.97/31,886.38 = 14,161.21/x
  3. Step 3: Cross multiply
    23,116.97x = 31,886.38 × 14,161.21
  4. Step 4: Simplify right side
    23,116.97x = 451,549,723.32
  5. Step 5: Solve for x
    x = 451,549,723.32/23,116.97
  6. Step 6: Final answer
    x = 19,533.26

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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.