Home / 16,138.14-22,270.64-9,064.56

Finding the Fourth Proportional to 16,138.14, 22,270.64 and 9,064.56

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Solution

The fourth proportional to 16,138.14, 22,270.64 and 9,064.56 is: 12,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.14 : 22,270.64 = 9,064.56 : x
  2. Step 2: Convert to fraction form
    16,138.14/22,270.64 = 9,064.56/x
  3. Step 3: Cross multiply
    16,138.14x = 22,270.64 × 9,064.56
  4. Step 4: Simplify right side
    16,138.14x = 201,873,552.52
  5. Step 5: Solve for x
    x = 201,873,552.52/16,138.14
  6. Step 6: Final answer
    x = 12,509.10

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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.