Home / 21,852.83-32,782.19-7,058.18

Finding the Fourth Proportional to 21,852.83, 32,782.19 and 7,058.18

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Solution

The fourth proportional to 21,852.83, 32,782.19 and 7,058.18 is: 10,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.83 : 32,782.19 = 7,058.18 : x
  2. Step 2: Convert to fraction form
    21,852.83/32,782.19 = 7,058.18/x
  3. Step 3: Cross multiply
    21,852.83x = 32,782.19 × 7,058.18
  4. Step 4: Simplify right side
    21,852.83x = 231,382,644.48
  5. Step 5: Solve for x
    x = 231,382,644.48/21,852.83
  6. Step 6: Final answer
    x = 10,588.22

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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.