Home / 18,699.90-25,775.57-16,271.04

Finding the Fourth Proportional to 18,699.90, 25,775.57 and 16,271.04

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Solution

The fourth proportional to 18,699.90, 25,775.57 and 16,271.04 is: 22,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.90 : 25,775.57 = 16,271.04 : x
  2. Step 2: Convert to fraction form
    18,699.90/25,775.57 = 16,271.04/x
  3. Step 3: Cross multiply
    18,699.90x = 25,775.57 × 16,271.04
  4. Step 4: Simplify right side
    18,699.90x = 419,395,467.83
  5. Step 5: Solve for x
    x = 419,395,467.83/18,699.90
  6. Step 6: Final answer
    x = 22,427.69

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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.