Home / 16,099.01-22,205.40-15,557.12

Finding the Fourth Proportional to 16,099.01, 22,205.40 and 15,557.12

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Solution

The fourth proportional to 16,099.01, 22,205.40 and 15,557.12 is: 21,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,099.01 : 22,205.40 = 15,557.12 : x
  2. Step 2: Convert to fraction form
    16,099.01/22,205.40 = 15,557.12/x
  3. Step 3: Cross multiply
    16,099.01x = 22,205.40 × 15,557.12
  4. Step 4: Simplify right side
    16,099.01x = 345,452,072.45
  5. Step 5: Solve for x
    x = 345,452,072.45/16,099.01
  6. Step 6: Final answer
    x = 21,457.97

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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.