Home / 23,879.45-35,806.86-10,720.55

Finding the Fourth Proportional to 23,879.45, 35,806.86 and 10,720.55

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Solution

The fourth proportional to 23,879.45, 35,806.86 and 10,720.55 is: 16,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.45 : 35,806.86 = 10,720.55 : x
  2. Step 2: Convert to fraction form
    23,879.45/35,806.86 = 10,720.55/x
  3. Step 3: Cross multiply
    23,879.45x = 35,806.86 × 10,720.55
  4. Step 4: Simplify right side
    23,879.45x = 383,869,322.49
  5. Step 5: Solve for x
    x = 383,869,322.49/23,879.45
  6. Step 6: Final answer
    x = 16,075.30

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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.