Home / 13,008.36-19,513.98-3,774.36

Finding the Fourth Proportional to 13,008.36, 19,513.98 and 3,774.36

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Solution

The fourth proportional to 13,008.36, 19,513.98 and 3,774.36 is: 5,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.36 : 19,513.98 = 3,774.36 : x
  2. Step 2: Convert to fraction form
    13,008.36/19,513.98 = 3,774.36/x
  3. Step 3: Cross multiply
    13,008.36x = 19,513.98 × 3,774.36
  4. Step 4: Simplify right side
    13,008.36x = 73,652,785.55
  5. Step 5: Solve for x
    x = 73,652,785.55/13,008.36
  6. Step 6: Final answer
    x = 5,661.96

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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.