Home / 22,942.12-31,664.46-14,991.16

Finding the Fourth Proportional to 22,942.12, 31,664.46 and 14,991.16

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Solution

The fourth proportional to 22,942.12, 31,664.46 and 14,991.16 is: 20,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,942.12 : 31,664.46 = 14,991.16 : x
  2. Step 2: Convert to fraction form
    22,942.12/31,664.46 = 14,991.16/x
  3. Step 3: Cross multiply
    22,942.12x = 31,664.46 × 14,991.16
  4. Step 4: Simplify right side
    22,942.12x = 474,686,986.17
  5. Step 5: Solve for x
    x = 474,686,986.17/22,942.12
  6. Step 6: Final answer
    x = 20,690.63

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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.