Home / 22,674.63-31,287.26-12,602.79

Finding the Fourth Proportional to 22,674.63, 31,287.26 and 12,602.79

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Solution

The fourth proportional to 22,674.63, 31,287.26 and 12,602.79 is: 17,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.63 : 31,287.26 = 12,602.79 : x
  2. Step 2: Convert to fraction form
    22,674.63/31,287.26 = 12,602.79/x
  3. Step 3: Cross multiply
    22,674.63x = 31,287.26 × 12,602.79
  4. Step 4: Simplify right side
    22,674.63x = 394,306,704.44
  5. Step 5: Solve for x
    x = 394,306,704.44/22,674.63
  6. Step 6: Final answer
    x = 17,389.77

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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.