Home / 19,153.33-28,670.60-10,366.45

Finding the Fourth Proportional to 19,153.33, 28,670.60 and 10,366.45

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Solution

The fourth proportional to 19,153.33, 28,670.60 and 10,366.45 is: 15,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.33 : 28,670.60 = 10,366.45 : x
  2. Step 2: Convert to fraction form
    19,153.33/28,670.60 = 10,366.45/x
  3. Step 3: Cross multiply
    19,153.33x = 28,670.60 × 10,366.45
  4. Step 4: Simplify right side
    19,153.33x = 297,212,289.54
  5. Step 5: Solve for x
    x = 297,212,289.54/19,153.33
  6. Step 6: Final answer
    x = 15,517.53

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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.