Home / 12,029.21-17,951.08-10,571.51

Finding the Fourth Proportional to 12,029.21, 17,951.08 and 10,571.51

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Solution

The fourth proportional to 12,029.21, 17,951.08 and 10,571.51 is: 15,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.21 : 17,951.08 = 10,571.51 : x
  2. Step 2: Convert to fraction form
    12,029.21/17,951.08 = 10,571.51/x
  3. Step 3: Cross multiply
    12,029.21x = 17,951.08 × 10,571.51
  4. Step 4: Simplify right side
    12,029.21x = 189,769,945.19
  5. Step 5: Solve for x
    x = 189,769,945.19/12,029.21
  6. Step 6: Final answer
    x = 15,775.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.