Home / 12,932.47-19,408.47-10,366.39

Finding the Fourth Proportional to 12,932.47, 19,408.47 and 10,366.39

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Solution

The fourth proportional to 12,932.47, 19,408.47 and 10,366.39 is: 15,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.47 : 19,408.47 = 10,366.39 : x
  2. Step 2: Convert to fraction form
    12,932.47/19,408.47 = 10,366.39/x
  3. Step 3: Cross multiply
    12,932.47x = 19,408.47 × 10,366.39
  4. Step 4: Simplify right side
    12,932.47x = 201,195,769.32
  5. Step 5: Solve for x
    x = 201,195,769.32/12,932.47
  6. Step 6: Final answer
    x = 15,557.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.