Home / 22,672.63-31,284.49-12,600.79

Finding the Fourth Proportional to 22,672.63, 31,284.49 and 12,600.79

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Solution

The fourth proportional to 22,672.63, 31,284.49 and 12,600.79 is: 17,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.63 : 31,284.49 = 12,600.79 : x
  2. Step 2: Convert to fraction form
    22,672.63/31,284.49 = 12,600.79/x
  3. Step 3: Cross multiply
    22,672.63x = 31,284.49 × 12,600.79
  4. Step 4: Simplify right side
    22,672.63x = 394,209,288.75
  5. Step 5: Solve for x
    x = 394,209,288.75/22,672.63
  6. Step 6: Final answer
    x = 17,387.01

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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.