Home / 12,718.22-19,082.79-4,932.50

Finding the Fourth Proportional to 12,718.22, 19,082.79 and 4,932.50

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Solution

The fourth proportional to 12,718.22, 19,082.79 and 4,932.50 is: 7,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.22 : 19,082.79 = 4,932.50 : x
  2. Step 2: Convert to fraction form
    12,718.22/19,082.79 = 4,932.50/x
  3. Step 3: Cross multiply
    12,718.22x = 19,082.79 × 4,932.50
  4. Step 4: Simplify right side
    12,718.22x = 94,125,766.26
  5. Step 5: Solve for x
    x = 94,125,766.26/12,718.22
  6. Step 6: Final answer
    x = 7,400.86

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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.