Home / 44,014.80-66,016.16-12,422.64

Finding the Fourth Proportional to 44,014.80, 66,016.16 and 12,422.64

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Solution

The fourth proportional to 44,014.80, 66,016.16 and 12,422.64 is: 18,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,014.80 : 66,016.16 = 12,422.64 : x
  2. Step 2: Convert to fraction form
    44,014.80/66,016.16 = 12,422.64/x
  3. Step 3: Cross multiply
    44,014.80x = 66,016.16 × 12,422.64
  4. Step 4: Simplify right side
    44,014.80x = 820,094,989.86
  5. Step 5: Solve for x
    x = 820,094,989.86/44,014.80
  6. Step 6: Final answer
    x = 18,632.26

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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.