Home / 14,049.75-21,075.84-3,661.50

Finding the Fourth Proportional to 14,049.75, 21,075.84 and 3,661.50

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Solution

The fourth proportional to 14,049.75, 21,075.84 and 3,661.50 is: 5,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.75 : 21,075.84 = 3,661.50 : x
  2. Step 2: Convert to fraction form
    14,049.75/21,075.84 = 3,661.50/x
  3. Step 3: Cross multiply
    14,049.75x = 21,075.84 × 3,661.50
  4. Step 4: Simplify right side
    14,049.75x = 77,169,188.16
  5. Step 5: Solve for x
    x = 77,169,188.16/14,049.75
  6. Step 6: Final answer
    x = 5,492.57

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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.