Home / 13,272.80-19,888.52-4,950.56

Finding the Fourth Proportional to 13,272.80, 19,888.52 and 4,950.56

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Solution

The fourth proportional to 13,272.80, 19,888.52 and 4,950.56 is: 7,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.80 : 19,888.52 = 4,950.56 : x
  2. Step 2: Convert to fraction form
    13,272.80/19,888.52 = 4,950.56/x
  3. Step 3: Cross multiply
    13,272.80x = 19,888.52 × 4,950.56
  4. Step 4: Simplify right side
    13,272.80x = 98,459,336.54
  5. Step 5: Solve for x
    x = 98,459,336.54/13,272.80
  6. Step 6: Final answer
    x = 7,418.13

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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.