Home / 22,990.72-31,730.62-14,043.36

Finding the Fourth Proportional to 22,990.72, 31,730.62 and 14,043.36

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Solution

The fourth proportional to 22,990.72, 31,730.62 and 14,043.36 is: 19,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.72 : 31,730.62 = 14,043.36 : x
  2. Step 2: Convert to fraction form
    22,990.72/31,730.62 = 14,043.36/x
  3. Step 3: Cross multiply
    22,990.72x = 31,730.62 × 14,043.36
  4. Step 4: Simplify right side
    22,990.72x = 445,604,519.68
  5. Step 5: Solve for x
    x = 445,604,519.68/22,990.72
  6. Step 6: Final answer
    x = 19,381.93

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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.