Home / 23,165.64-31,968.59-12,555.27

Finding the Fourth Proportional to 23,165.64, 31,968.59 and 12,555.27

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Solution

The fourth proportional to 23,165.64, 31,968.59 and 12,555.27 is: 17,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.64 : 31,968.59 = 12,555.27 : x
  2. Step 2: Convert to fraction form
    23,165.64/31,968.59 = 12,555.27/x
  3. Step 3: Cross multiply
    23,165.64x = 31,968.59 × 12,555.27
  4. Step 4: Simplify right side
    23,165.64x = 401,374,278.97
  5. Step 5: Solve for x
    x = 401,374,278.97/23,165.64
  6. Step 6: Final answer
    x = 17,326.28

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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.