Home / 21,829.95-32,745.16-17,475.09

Finding the Fourth Proportional to 21,829.95, 32,745.16 and 17,475.09

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Solution

The fourth proportional to 21,829.95, 32,745.16 and 17,475.09 is: 26,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.95 : 32,745.16 = 17,475.09 : x
  2. Step 2: Convert to fraction form
    21,829.95/32,745.16 = 17,475.09/x
  3. Step 3: Cross multiply
    21,829.95x = 32,745.16 × 17,475.09
  4. Step 4: Simplify right side
    21,829.95x = 572,224,618.06
  5. Step 5: Solve for x
    x = 572,224,618.06/21,829.95
  6. Step 6: Final answer
    x = 26,212.82

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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.