Home / 12,961.91-19,430.23-7,033.44

Finding the Fourth Proportional to 12,961.91, 19,430.23 and 7,033.44

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Solution

The fourth proportional to 12,961.91, 19,430.23 and 7,033.44 is: 10,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.91 : 19,430.23 = 7,033.44 : x
  2. Step 2: Convert to fraction form
    12,961.91/19,430.23 = 7,033.44/x
  3. Step 3: Cross multiply
    12,961.91x = 19,430.23 × 7,033.44
  4. Step 4: Simplify right side
    12,961.91x = 136,661,316.06
  5. Step 5: Solve for x
    x = 136,661,316.06/12,961.91
  6. Step 6: Final answer
    x = 10,543.30

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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.