Home / 14,867-22,311.36-11,980.16

Finding the Fourth Proportional to 14,867, 22,311.36 and 11,980.16

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Solution

The fourth proportional to 14,867, 22,311.36 and 11,980.16 is: 17,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867 : 22,311.36 = 11,980.16 : x
  2. Step 2: Convert to fraction form
    14,867/22,311.36 = 11,980.16/x
  3. Step 3: Cross multiply
    14,867x = 22,311.36 × 11,980.16
  4. Step 4: Simplify right side
    14,867x = 267,293,662.62
  5. Step 5: Solve for x
    x = 267,293,662.62/14,867
  6. Step 6: Final answer
    x = 17,978.99

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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.