Home / 23,184.45-31,957.20-18,140.58

Finding the Fourth Proportional to 23,184.45, 31,957.20 and 18,140.58

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Solution

The fourth proportional to 23,184.45, 31,957.20 and 18,140.58 is: 25,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.45 : 31,957.20 = 18,140.58 : x
  2. Step 2: Convert to fraction form
    23,184.45/31,957.20 = 18,140.58/x
  3. Step 3: Cross multiply
    23,184.45x = 31,957.20 × 18,140.58
  4. Step 4: Simplify right side
    23,184.45x = 579,722,143.18
  5. Step 5: Solve for x
    x = 579,722,143.18/23,184.45
  6. Step 6: Final answer
    x = 25,004.78

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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.