Home / 13,774.16-19,003.08-8,467.28

Finding the Fourth Proportional to 13,774.16, 19,003.08 and 8,467.28

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Solution

The fourth proportional to 13,774.16, 19,003.08 and 8,467.28 is: 11,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.16 : 19,003.08 = 8,467.28 : x
  2. Step 2: Convert to fraction form
    13,774.16/19,003.08 = 8,467.28/x
  3. Step 3: Cross multiply
    13,774.16x = 19,003.08 × 8,467.28
  4. Step 4: Simplify right side
    13,774.16x = 160,904,399.22
  5. Step 5: Solve for x
    x = 160,904,399.22/13,774.16
  6. Step 6: Final answer
    x = 11,681.61

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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.