Home / 26,643.72-39,985.08-12,802.44

Finding the Fourth Proportional to 26,643.72, 39,985.08 and 12,802.44

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Solution

The fourth proportional to 26,643.72, 39,985.08 and 12,802.44 is: 19,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.72 : 39,985.08 = 12,802.44 : x
  2. Step 2: Convert to fraction form
    26,643.72/39,985.08 = 12,802.44/x
  3. Step 3: Cross multiply
    26,643.72x = 39,985.08 × 12,802.44
  4. Step 4: Simplify right side
    26,643.72x = 511,906,587.60
  5. Step 5: Solve for x
    x = 511,906,587.60/26,643.72
  6. Step 6: Final answer
    x = 19,213.03

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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.