Home / 16,172.86-22,318.45-9,099.34

Finding the Fourth Proportional to 16,172.86, 22,318.45 and 9,099.34

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Solution

The fourth proportional to 16,172.86, 22,318.45 and 9,099.34 is: 12,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.86 : 22,318.45 = 9,099.34 : x
  2. Step 2: Convert to fraction form
    16,172.86/22,318.45 = 9,099.34/x
  3. Step 3: Cross multiply
    16,172.86x = 22,318.45 × 9,099.34
  4. Step 4: Simplify right side
    16,172.86x = 203,083,164.82
  5. Step 5: Solve for x
    x = 203,083,164.82/16,172.86
  6. Step 6: Final answer
    x = 12,557.03

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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.