Home / 22,736.25-31,373.76-12,664.30

Finding the Fourth Proportional to 22,736.25, 31,373.76 and 12,664.30

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Solution

The fourth proportional to 22,736.25, 31,373.76 and 12,664.30 is: 17,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.25 : 31,373.76 = 12,664.30 : x
  2. Step 2: Convert to fraction form
    22,736.25/31,373.76 = 12,664.30/x
  3. Step 3: Cross multiply
    22,736.25x = 31,373.76 × 12,664.30
  4. Step 4: Simplify right side
    22,736.25x = 397,326,708.77
  5. Step 5: Solve for x
    x = 397,326,708.77/22,736.25
  6. Step 6: Final answer
    x = 17,475.47

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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.