Home / 13,904.26-19,188.28-7,617.04

Finding the Fourth Proportional to 13,904.26, 19,188.28 and 7,617.04

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Solution

The fourth proportional to 13,904.26, 19,188.28 and 7,617.04 is: 10,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.26 : 19,188.28 = 7,617.04 : x
  2. Step 2: Convert to fraction form
    13,904.26/19,188.28 = 7,617.04/x
  3. Step 3: Cross multiply
    13,904.26x = 19,188.28 × 7,617.04
  4. Step 4: Simplify right side
    13,904.26x = 146,157,896.29
  5. Step 5: Solve for x
    x = 146,157,896.29/13,904.26
  6. Step 6: Final answer
    x = 10,511.73

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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.