Home / 20,722.31-31,083.69-16,588.60

Finding the Fourth Proportional to 20,722.31, 31,083.69 and 16,588.60

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Solution

The fourth proportional to 20,722.31, 31,083.69 and 16,588.60 is: 24,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.31 : 31,083.69 = 16,588.60 : x
  2. Step 2: Convert to fraction form
    20,722.31/31,083.69 = 16,588.60/x
  3. Step 3: Cross multiply
    20,722.31x = 31,083.69 × 16,588.60
  4. Step 4: Simplify right side
    20,722.31x = 515,634,899.93
  5. Step 5: Solve for x
    x = 515,634,899.93/20,722.31
  6. Step 6: Final answer
    x = 24,883.08

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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.