Home / 19,002.14-28,497.34-7,157.62

Finding the Fourth Proportional to 19,002.14, 28,497.34 and 7,157.62

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Solution

The fourth proportional to 19,002.14, 28,497.34 and 7,157.62 is: 10,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.14 : 28,497.34 = 7,157.62 : x
  2. Step 2: Convert to fraction form
    19,002.14/28,497.34 = 7,157.62/x
  3. Step 3: Cross multiply
    19,002.14x = 28,497.34 × 7,157.62
  4. Step 4: Simplify right side
    19,002.14x = 203,973,130.73
  5. Step 5: Solve for x
    x = 203,973,130.73/19,002.14
  6. Step 6: Final answer
    x = 10,734.22

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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.