Home / 22,990.72-31,730.62-14,043.37

Finding the Fourth Proportional to 22,990.72, 31,730.62 and 14,043.37

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Solution

The fourth proportional to 22,990.72, 31,730.62 and 14,043.37 is: 19,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.72 : 31,730.62 = 14,043.37 : x
  2. Step 2: Convert to fraction form
    22,990.72/31,730.62 = 14,043.37/x
  3. Step 3: Cross multiply
    22,990.72x = 31,730.62 × 14,043.37
  4. Step 4: Simplify right side
    22,990.72x = 445,604,836.99
  5. Step 5: Solve for x
    x = 445,604,836.99/22,990.72
  6. Step 6: Final answer
    x = 19,381.94

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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.