Home / 23,107.96-31,889.36-13,036.60

Finding the Fourth Proportional to 23,107.96, 31,889.36 and 13,036.60

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Solution

The fourth proportional to 23,107.96, 31,889.36 and 13,036.60 is: 17,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.96 : 31,889.36 = 13,036.60 : x
  2. Step 2: Convert to fraction form
    23,107.96/31,889.36 = 13,036.60/x
  3. Step 3: Cross multiply
    23,107.96x = 31,889.36 × 13,036.60
  4. Step 4: Simplify right side
    23,107.96x = 415,728,830.58
  5. Step 5: Solve for x
    x = 415,728,830.58/23,107.96
  6. Step 6: Final answer
    x = 17,990.72

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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.