Home / 23,181.46-31,953.06-18,137.58

Finding the Fourth Proportional to 23,181.46, 31,953.06 and 18,137.58

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Solution

The fourth proportional to 23,181.46, 31,953.06 and 18,137.58 is: 25,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.46 : 31,953.06 = 18,137.58 : x
  2. Step 2: Convert to fraction form
    23,181.46/31,953.06 = 18,137.58/x
  3. Step 3: Cross multiply
    23,181.46x = 31,953.06 × 18,137.58
  4. Step 4: Simplify right side
    23,181.46x = 579,551,181.99
  5. Step 5: Solve for x
    x = 579,551,181.99/23,181.46
  6. Step 6: Final answer
    x = 25,000.63

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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.