Home / 22,333.14-30,816.36-13,378.68

Finding the Fourth Proportional to 22,333.14, 30,816.36 and 13,378.68

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Solution

The fourth proportional to 22,333.14, 30,816.36 and 13,378.68 is: 18,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,333.14 : 30,816.36 = 13,378.68 : x
  2. Step 2: Convert to fraction form
    22,333.14/30,816.36 = 13,378.68/x
  3. Step 3: Cross multiply
    22,333.14x = 30,816.36 × 13,378.68
  4. Step 4: Simplify right side
    22,333.14x = 412,282,219.20
  5. Step 5: Solve for x
    x = 412,282,219.20/22,333.14
  6. Step 6: Final answer
    x = 18,460.56

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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.