Home / 18,547.18-27,825.33-5,399.67

Finding the Fourth Proportional to 18,547.18, 27,825.33 and 5,399.67

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Solution

The fourth proportional to 18,547.18, 27,825.33 and 5,399.67 is: 8,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.18 : 27,825.33 = 5,399.67 : x
  2. Step 2: Convert to fraction form
    18,547.18/27,825.33 = 5,399.67/x
  3. Step 3: Cross multiply
    18,547.18x = 27,825.33 × 5,399.67
  4. Step 4: Simplify right side
    18,547.18x = 150,247,599.64
  5. Step 5: Solve for x
    x = 150,247,599.64/18,547.18
  6. Step 6: Final answer
    x = 8,100.83

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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.