Home / 18,270.62-25,214.18-10,313.12

Finding the Fourth Proportional to 18,270.62, 25,214.18 and 10,313.12

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Solution

The fourth proportional to 18,270.62, 25,214.18 and 10,313.12 is: 14,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.62 : 25,214.18 = 10,313.12 : x
  2. Step 2: Convert to fraction form
    18,270.62/25,214.18 = 10,313.12/x
  3. Step 3: Cross multiply
    18,270.62x = 25,214.18 × 10,313.12
  4. Step 4: Simplify right side
    18,270.62x = 260,036,812.48
  5. Step 5: Solve for x
    x = 260,036,812.48/18,270.62
  6. Step 6: Final answer
    x = 14,232.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.