Home / 18,567.18-25,621.54-11,014.20

Finding the Fourth Proportional to 18,567.18, 25,621.54 and 11,014.20

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Solution

The fourth proportional to 18,567.18, 25,621.54 and 11,014.20 is: 15,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.18 : 25,621.54 = 11,014.20 : x
  2. Step 2: Convert to fraction form
    18,567.18/25,621.54 = 11,014.20/x
  3. Step 3: Cross multiply
    18,567.18x = 25,621.54 × 11,014.20
  4. Step 4: Simplify right side
    18,567.18x = 282,200,765.87
  5. Step 5: Solve for x
    x = 282,200,765.87/18,567.18
  6. Step 6: Final answer
    x = 15,198.90

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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.