Home / 23,116.44-31,900.66-12,506.07

Finding the Fourth Proportional to 23,116.44, 31,900.66 and 12,506.07

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Solution

The fourth proportional to 23,116.44, 31,900.66 and 12,506.07 is: 17,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.44 : 31,900.66 = 12,506.07 : x
  2. Step 2: Convert to fraction form
    23,116.44/31,900.66 = 12,506.07/x
  3. Step 3: Cross multiply
    23,116.44x = 31,900.66 × 12,506.07
  4. Step 4: Simplify right side
    23,116.44x = 398,951,887.01
  5. Step 5: Solve for x
    x = 398,951,887.01/23,116.44
  6. Step 6: Final answer
    x = 17,258.36

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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.