Home / 23,185.45-31,958.58-18,141.58

Finding the Fourth Proportional to 23,185.45, 31,958.58 and 18,141.58

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Solution

The fourth proportional to 23,185.45, 31,958.58 and 18,141.58 is: 25,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.45 : 31,958.58 = 18,141.58 : x
  2. Step 2: Convert to fraction form
    23,185.45/31,958.58 = 18,141.58/x
  3. Step 3: Cross multiply
    23,185.45x = 31,958.58 × 18,141.58
  4. Step 4: Simplify right side
    23,185.45x = 579,779,135.76
  5. Step 5: Solve for x
    x = 579,779,135.76/23,185.45
  6. Step 6: Final answer
    x = 25,006.16

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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.