Home / 13,006.49-19,515.66-5,512.10

Finding the Fourth Proportional to 13,006.49, 19,515.66 and 5,512.10

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Solution

The fourth proportional to 13,006.49, 19,515.66 and 5,512.10 is: 8,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.49 : 19,515.66 = 5,512.10 : x
  2. Step 2: Convert to fraction form
    13,006.49/19,515.66 = 5,512.10/x
  3. Step 3: Cross multiply
    13,006.49x = 19,515.66 × 5,512.10
  4. Step 4: Simplify right side
    13,006.49x = 107,572,171.91
  5. Step 5: Solve for x
    x = 107,572,171.91/13,006.49
  6. Step 6: Final answer
    x = 8,270.66

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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.