Home / 18,362.62-25,338.36-10,403.14

Finding the Fourth Proportional to 18,362.62, 25,338.36 and 10,403.14

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Solution

The fourth proportional to 18,362.62, 25,338.36 and 10,403.14 is: 14,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.62 : 25,338.36 = 10,403.14 : x
  2. Step 2: Convert to fraction form
    18,362.62/25,338.36 = 10,403.14/x
  3. Step 3: Cross multiply
    18,362.62x = 25,338.36 × 10,403.14
  4. Step 4: Simplify right side
    18,362.62x = 263,598,506.45
  5. Step 5: Solve for x
    x = 263,598,506.45/18,362.62
  6. Step 6: Final answer
    x = 14,355.17

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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.