Home / 22,736.81-31,376.62-12,665.14

Finding the Fourth Proportional to 22,736.81, 31,376.62 and 12,665.14

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Solution

The fourth proportional to 22,736.81, 31,376.62 and 12,665.14 is: 17,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.81 : 31,376.62 = 12,665.14 : x
  2. Step 2: Convert to fraction form
    22,736.81/31,376.62 = 12,665.14/x
  3. Step 3: Cross multiply
    22,736.81x = 31,376.62 × 12,665.14
  4. Step 4: Simplify right side
    22,736.81x = 397,389,285.03
  5. Step 5: Solve for x
    x = 397,389,285.03/22,736.81
  6. Step 6: Final answer
    x = 17,477.79

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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.