Home / 18,319.96-27,483.18-5,842.72

Finding the Fourth Proportional to 18,319.96, 27,483.18 and 5,842.72

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Solution

The fourth proportional to 18,319.96, 27,483.18 and 5,842.72 is: 8,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.96 : 27,483.18 = 5,842.72 : x
  2. Step 2: Convert to fraction form
    18,319.96/27,483.18 = 5,842.72/x
  3. Step 3: Cross multiply
    18,319.96x = 27,483.18 × 5,842.72
  4. Step 4: Simplify right side
    18,319.96x = 160,576,525.45
  5. Step 5: Solve for x
    x = 160,576,525.45/18,319.96
  6. Step 6: Final answer
    x = 8,765.11

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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.