Home / 17,664.80-26,501.16-8,172.32

Finding the Fourth Proportional to 17,664.80, 26,501.16 and 8,172.32

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Solution

The fourth proportional to 17,664.80, 26,501.16 and 8,172.32 is: 12,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.80 : 26,501.16 = 8,172.32 : x
  2. Step 2: Convert to fraction form
    17,664.80/26,501.16 = 8,172.32/x
  3. Step 3: Cross multiply
    17,664.80x = 26,501.16 × 8,172.32
  4. Step 4: Simplify right side
    17,664.80x = 216,575,959.89
  5. Step 5: Solve for x
    x = 216,575,959.89/17,664.80
  6. Step 6: Final answer
    x = 12,260.31

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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.