Home / 13,228.25-19,825.97-7,300.11

Finding the Fourth Proportional to 13,228.25, 19,825.97 and 7,300.11

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Solution

The fourth proportional to 13,228.25, 19,825.97 and 7,300.11 is: 10,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.25 : 19,825.97 = 7,300.11 : x
  2. Step 2: Convert to fraction form
    13,228.25/19,825.97 = 7,300.11/x
  3. Step 3: Cross multiply
    13,228.25x = 19,825.97 × 7,300.11
  4. Step 4: Simplify right side
    13,228.25x = 144,731,761.86
  5. Step 5: Solve for x
    x = 144,731,761.86/13,228.25
  6. Step 6: Final answer
    x = 10,941.11

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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.