Home / 14,050.45-21,075.78-5,728.21

Finding the Fourth Proportional to 14,050.45, 21,075.78 and 5,728.21

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Solution

The fourth proportional to 14,050.45, 21,075.78 and 5,728.21 is: 8,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.45 : 21,075.78 = 5,728.21 : x
  2. Step 2: Convert to fraction form
    14,050.45/21,075.78 = 5,728.21/x
  3. Step 3: Cross multiply
    14,050.45x = 21,075.78 × 5,728.21
  4. Step 4: Simplify right side
    14,050.45x = 120,726,493.75
  5. Step 5: Solve for x
    x = 120,726,493.75/14,050.45
  6. Step 6: Final answer
    x = 8,592.36

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1.5x scale

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.