Home / 23,175.54-31,980.27-13,102.58

Finding the Fourth Proportional to 23,175.54, 31,980.27 and 13,102.58

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Solution

The fourth proportional to 23,175.54, 31,980.27 and 13,102.58 is: 18,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.54 : 31,980.27 = 13,102.58 : x
  2. Step 2: Convert to fraction form
    23,175.54/31,980.27 = 13,102.58/x
  3. Step 3: Cross multiply
    23,175.54x = 31,980.27 × 13,102.58
  4. Step 4: Simplify right side
    23,175.54x = 419,023,966.15
  5. Step 5: Solve for x
    x = 419,023,966.15/23,175.54
  6. Step 6: Final answer
    x = 18,080.44

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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.