Home / 23,140.20-31,917.23-14,191.27

Finding the Fourth Proportional to 23,140.20, 31,917.23 and 14,191.27

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Solution

The fourth proportional to 23,140.20, 31,917.23 and 14,191.27 is: 19,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.20 : 31,917.23 = 14,191.27 : x
  2. Step 2: Convert to fraction form
    23,140.20/31,917.23 = 14,191.27/x
  3. Step 3: Cross multiply
    23,140.20x = 31,917.23 × 14,191.27
  4. Step 4: Simplify right side
    23,140.20x = 452,946,028.58
  5. Step 5: Solve for x
    x = 452,946,028.58/23,140.20
  6. Step 6: Final answer
    x = 19,573.99

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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.