Home / 18,400.16-27,607.13-7,314.60

Finding the Fourth Proportional to 18,400.16, 27,607.13 and 7,314.60

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Solution

The fourth proportional to 18,400.16, 27,607.13 and 7,314.60 is: 10,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.16 : 27,607.13 = 7,314.60 : x
  2. Step 2: Convert to fraction form
    18,400.16/27,607.13 = 7,314.60/x
  3. Step 3: Cross multiply
    18,400.16x = 27,607.13 × 7,314.60
  4. Step 4: Simplify right side
    18,400.16x = 201,935,207.48
  5. Step 5: Solve for x
    x = 201,935,207.48/18,400.16
  6. Step 6: Final answer
    x = 10,974.64

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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.