Home / 19,153.05-28,712.56-7,463.53

Finding the Fourth Proportional to 19,153.05, 28,712.56 and 7,463.53

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Solution

The fourth proportional to 19,153.05, 28,712.56 and 7,463.53 is: 11,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.05 : 28,712.56 = 7,463.53 : x
  2. Step 2: Convert to fraction form
    19,153.05/28,712.56 = 7,463.53/x
  3. Step 3: Cross multiply
    19,153.05x = 28,712.56 × 7,463.53
  4. Step 4: Simplify right side
    19,153.05x = 214,297,052.94
  5. Step 5: Solve for x
    x = 214,297,052.94/19,153.05
  6. Step 6: Final answer
    x = 11,188.66

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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.