Home / 12,825.45-19,240.31-4,503.32

Finding the Fourth Proportional to 12,825.45, 19,240.31 and 4,503.32

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Solution

The fourth proportional to 12,825.45, 19,240.31 and 4,503.32 is: 6,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.45 : 19,240.31 = 4,503.32 : x
  2. Step 2: Convert to fraction form
    12,825.45/19,240.31 = 4,503.32/x
  3. Step 3: Cross multiply
    12,825.45x = 19,240.31 × 4,503.32
  4. Step 4: Simplify right side
    12,825.45x = 86,645,154.11
  5. Step 5: Solve for x
    x = 86,645,154.11/12,825.45
  6. Step 6: Final answer
    x = 6,755.72

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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.