Home / 18,130.26-27,193.23-8,266.89

Finding the Fourth Proportional to 18,130.26, 27,193.23 and 8,266.89

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Solution

The fourth proportional to 18,130.26, 27,193.23 and 8,266.89 is: 12,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.26 : 27,193.23 = 8,266.89 : x
  2. Step 2: Convert to fraction form
    18,130.26/27,193.23 = 8,266.89/x
  3. Step 3: Cross multiply
    18,130.26x = 27,193.23 × 8,266.89
  4. Step 4: Simplify right side
    18,130.26x = 224,803,441.15
  5. Step 5: Solve for x
    x = 224,803,441.15/18,130.26
  6. Step 6: Final answer
    x = 12,399.35

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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.