Home / 22,075.20-30,466.80-16,761.60

Finding the Fourth Proportional to 22,075.20, 30,466.80 and 16,761.60

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Solution

The fourth proportional to 22,075.20, 30,466.80 and 16,761.60 is: 23,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.20 : 30,466.80 = 16,761.60 : x
  2. Step 2: Convert to fraction form
    22,075.20/30,466.80 = 16,761.60/x
  3. Step 3: Cross multiply
    22,075.20x = 30,466.80 × 16,761.60
  4. Step 4: Simplify right side
    22,075.20x = 510,672,314.88
  5. Step 5: Solve for x
    x = 510,672,314.88/22,075.20
  6. Step 6: Final answer
    x = 23,133.30

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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.