Home / 47,274.94-70,922.79-13,997.60

Finding the Fourth Proportional to 47,274.94, 70,922.79 and 13,997.60

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Solution

The fourth proportional to 47,274.94, 70,922.79 and 13,997.60 is: 20,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.94 : 70,922.79 = 13,997.60 : x
  2. Step 2: Convert to fraction form
    47,274.94/70,922.79 = 13,997.60/x
  3. Step 3: Cross multiply
    47,274.94x = 70,922.79 × 13,997.60
  4. Step 4: Simplify right side
    47,274.94x = 992,748,612.63
  5. Step 5: Solve for x
    x = 992,748,612.63/47,274.94
  6. Step 6: Final answer
    x = 20,999.47

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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.