Home / 21,523.02-29,688.37-14,796.97

Finding the Fourth Proportional to 21,523.02, 29,688.37 and 14,796.97

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Solution

The fourth proportional to 21,523.02, 29,688.37 and 14,796.97 is: 20,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.02 : 29,688.37 = 14,796.97 : x
  2. Step 2: Convert to fraction form
    21,523.02/29,688.37 = 14,796.97/x
  3. Step 3: Cross multiply
    21,523.02x = 29,688.37 × 14,796.97
  4. Step 4: Simplify right side
    21,523.02x = 439,297,920.24
  5. Step 5: Solve for x
    x = 439,297,920.24/21,523.02
  6. Step 6: Final answer
    x = 20,410.61

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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.