Home / 47,274.37-70,890.82-13,997.05

Finding the Fourth Proportional to 47,274.37, 70,890.82 and 13,997.05

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Solution

The fourth proportional to 47,274.37, 70,890.82 and 13,997.05 is: 20,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.37 : 70,890.82 = 13,997.05 : x
  2. Step 2: Convert to fraction form
    47,274.37/70,890.82 = 13,997.05/x
  3. Step 3: Cross multiply
    47,274.37x = 70,890.82 × 13,997.05
  4. Step 4: Simplify right side
    47,274.37x = 992,262,352.08
  5. Step 5: Solve for x
    x = 992,262,352.08/47,274.37
  6. Step 6: Final answer
    x = 20,989.44

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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.