Home / 18,316.41-27,477.72-7,217.25

Finding the Fourth Proportional to 18,316.41, 27,477.72 and 7,217.25

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Solution

The fourth proportional to 18,316.41, 27,477.72 and 7,217.25 is: 10,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.41 : 27,477.72 = 7,217.25 : x
  2. Step 2: Convert to fraction form
    18,316.41/27,477.72 = 7,217.25/x
  3. Step 3: Cross multiply
    18,316.41x = 27,477.72 × 7,217.25
  4. Step 4: Simplify right side
    18,316.41x = 198,313,574.67
  5. Step 5: Solve for x
    x = 198,313,574.67/18,316.41
  6. Step 6: Final answer
    x = 10,827.10

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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.