Home / 21,652.96-29,885.04-18,110.56

Finding the Fourth Proportional to 21,652.96, 29,885.04 and 18,110.56

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Solution

The fourth proportional to 21,652.96, 29,885.04 and 18,110.56 is: 24,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.96 : 29,885.04 = 18,110.56 : x
  2. Step 2: Convert to fraction form
    21,652.96/29,885.04 = 18,110.56/x
  3. Step 3: Cross multiply
    21,652.96x = 29,885.04 × 18,110.56
  4. Step 4: Simplify right side
    21,652.96x = 541,234,810.02
  5. Step 5: Solve for x
    x = 541,234,810.02/21,652.96
  6. Step 6: Final answer
    x = 24,995.88

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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.