Home / 23,106.63-31,872.47-15,149.37

Finding the Fourth Proportional to 23,106.63, 31,872.47 and 15,149.37

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Solution

The fourth proportional to 23,106.63, 31,872.47 and 15,149.37 is: 20,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.63 : 31,872.47 = 15,149.37 : x
  2. Step 2: Convert to fraction form
    23,106.63/31,872.47 = 15,149.37/x
  3. Step 3: Cross multiply
    23,106.63x = 31,872.47 × 15,149.37
  4. Step 4: Simplify right side
    23,106.63x = 482,847,840.84
  5. Step 5: Solve for x
    x = 482,847,840.84/23,106.63
  6. Step 6: Final answer
    x = 20,896.51

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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.