Home / 14,048.78-21,075.90-4,187.84

Finding the Fourth Proportional to 14,048.78, 21,075.90 and 4,187.84

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Solution

The fourth proportional to 14,048.78, 21,075.90 and 4,187.84 is: 6,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.78 : 21,075.90 = 4,187.84 : x
  2. Step 2: Convert to fraction form
    14,048.78/21,075.90 = 4,187.84/x
  3. Step 3: Cross multiply
    14,048.78x = 21,075.90 × 4,187.84
  4. Step 4: Simplify right side
    14,048.78x = 88,262,375.97
  5. Step 5: Solve for x
    x = 88,262,375.97/14,048.78
  6. Step 6: Final answer
    x = 6,282.57

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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.