Home / 21,618.53-29,817.83-16,525.56

Finding the Fourth Proportional to 21,618.53, 29,817.83 and 16,525.56

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Solution

The fourth proportional to 21,618.53, 29,817.83 and 16,525.56 is: 22,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.53 : 29,817.83 = 16,525.56 : x
  2. Step 2: Convert to fraction form
    21,618.53/29,817.83 = 16,525.56/x
  3. Step 3: Cross multiply
    21,618.53x = 29,817.83 × 16,525.56
  4. Step 4: Simplify right side
    21,618.53x = 492,756,256.11
  5. Step 5: Solve for x
    x = 492,756,256.11/21,618.53
  6. Step 6: Final answer
    x = 22,793.24

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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.