Home / 14,935.37-20,611.71-8,222.46

Finding the Fourth Proportional to 14,935.37, 20,611.71 and 8,222.46

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Solution

The fourth proportional to 14,935.37, 20,611.71 and 8,222.46 is: 11,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.37 : 20,611.71 = 8,222.46 : x
  2. Step 2: Convert to fraction form
    14,935.37/20,611.71 = 8,222.46/x
  3. Step 3: Cross multiply
    14,935.37x = 20,611.71 × 8,222.46
  4. Step 4: Simplify right side
    14,935.37x = 169,478,961.01
  5. Step 5: Solve for x
    x = 169,478,961.01/14,935.37
  6. Step 6: Final answer
    x = 11,347.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.