Home / 14,050.56-21,075.35-3,520.67

Finding the Fourth Proportional to 14,050.56, 21,075.35 and 3,520.67

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Solution

The fourth proportional to 14,050.56, 21,075.35 and 3,520.67 is: 5,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,050.56 : 21,075.35 = 3,520.67 : x
  2. Step 2: Convert to fraction form
    14,050.56/21,075.35 = 3,520.67/x
  3. Step 3: Cross multiply
    14,050.56x = 21,075.35 × 3,520.67
  4. Step 4: Simplify right side
    14,050.56x = 74,199,413.97
  5. Step 5: Solve for x
    x = 74,199,413.97/14,050.56
  6. Step 6: Final answer
    x = 5,280.89

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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.