Home / 12,696.48-19,048.68-9,005.94

Finding the Fourth Proportional to 12,696.48, 19,048.68 and 9,005.94

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Solution

The fourth proportional to 12,696.48, 19,048.68 and 9,005.94 is: 13,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.48 : 19,048.68 = 9,005.94 : x
  2. Step 2: Convert to fraction form
    12,696.48/19,048.68 = 9,005.94/x
  3. Step 3: Cross multiply
    12,696.48x = 19,048.68 × 9,005.94
  4. Step 4: Simplify right side
    12,696.48x = 171,551,269.16
  5. Step 5: Solve for x
    x = 171,551,269.16/12,696.48
  6. Step 6: Final answer
    x = 13,511.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.