Home / 18,203.37-25,107.05-16,075.11

Finding the Fourth Proportional to 18,203.37, 25,107.05 and 16,075.11

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Solution

The fourth proportional to 18,203.37, 25,107.05 and 16,075.11 is: 22,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.37 : 25,107.05 = 16,075.11 : x
  2. Step 2: Convert to fraction form
    18,203.37/25,107.05 = 16,075.11/x
  3. Step 3: Cross multiply
    18,203.37x = 25,107.05 × 16,075.11
  4. Step 4: Simplify right side
    18,203.37x = 403,598,510.15
  5. Step 5: Solve for x
    x = 403,598,510.15/18,203.37
  6. Step 6: Final answer
    x = 22,171.64

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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.