Home / 21,573.21-29,768.44-12,010.71

Finding the Fourth Proportional to 21,573.21, 29,768.44 and 12,010.71

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Solution

The fourth proportional to 21,573.21, 29,768.44 and 12,010.71 is: 16,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.21 : 29,768.44 = 12,010.71 : x
  2. Step 2: Convert to fraction form
    21,573.21/29,768.44 = 12,010.71/x
  3. Step 3: Cross multiply
    21,573.21x = 29,768.44 × 12,010.71
  4. Step 4: Simplify right side
    21,573.21x = 357,539,919.17
  5. Step 5: Solve for x
    x = 357,539,919.17/21,573.21
  6. Step 6: Final answer
    x = 16,573.33

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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.