Home / 21,773.46-30,064.32-16,729.68

Finding the Fourth Proportional to 21,773.46, 30,064.32 and 16,729.68

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Solution

The fourth proportional to 21,773.46, 30,064.32 and 16,729.68 is: 23,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,773.46 : 30,064.32 = 16,729.68 : x
  2. Step 2: Convert to fraction form
    21,773.46/30,064.32 = 16,729.68/x
  3. Step 3: Cross multiply
    21,773.46x = 30,064.32 × 16,729.68
  4. Step 4: Simplify right side
    21,773.46x = 502,966,453.02
  5. Step 5: Solve for x
    x = 502,966,453.02/21,773.46
  6. Step 6: Final answer
    x = 23,099.98

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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.