Home / 18,462.87-27,683.28-8,604.36

Finding the Fourth Proportional to 18,462.87, 27,683.28 and 8,604.36

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Solution

The fourth proportional to 18,462.87, 27,683.28 and 8,604.36 is: 12,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.87 : 27,683.28 = 8,604.36 : x
  2. Step 2: Convert to fraction form
    18,462.87/27,683.28 = 8,604.36/x
  3. Step 3: Cross multiply
    18,462.87x = 27,683.28 × 8,604.36
  4. Step 4: Simplify right side
    18,462.87x = 238,196,907.10
  5. Step 5: Solve for x
    x = 238,196,907.10/18,462.87
  6. Step 6: Final answer
    x = 12,901.40

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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.