Home / 23,159.19-31,959.59-12,548.87

Finding the Fourth Proportional to 23,159.19, 31,959.59 and 12,548.87

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Solution

The fourth proportional to 23,159.19, 31,959.59 and 12,548.87 is: 17,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.19 : 31,959.59 = 12,548.87 : x
  2. Step 2: Convert to fraction form
    23,159.19/31,959.59 = 12,548.87/x
  3. Step 3: Cross multiply
    23,159.19x = 31,959.59 × 12,548.87
  4. Step 4: Simplify right side
    23,159.19x = 401,056,517.62
  5. Step 5: Solve for x
    x = 401,056,517.62/23,159.19
  6. Step 6: Final answer
    x = 17,317.38

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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.