Home / 16,172.58-22,318.00-9,002.38

Finding the Fourth Proportional to 16,172.58, 22,318.00 and 9,002.38

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Solution

The fourth proportional to 16,172.58, 22,318.00 and 9,002.38 is: 12,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.58 : 22,318.00 = 9,002.38 : x
  2. Step 2: Convert to fraction form
    16,172.58/22,318.00 = 9,002.38/x
  3. Step 3: Cross multiply
    16,172.58x = 22,318.00 × 9,002.38
  4. Step 4: Simplify right side
    16,172.58x = 200,915,038.54
  5. Step 5: Solve for x
    x = 200,915,038.54/16,172.58
  6. Step 6: Final answer
    x = 12,423.19

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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.