Home / 23,515.90-35,303.91-20,205.34

Finding the Fourth Proportional to 23,515.90, 35,303.91 and 20,205.34

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Solution

The fourth proportional to 23,515.90, 35,303.91 and 20,205.34 is: 30,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.90 : 35,303.91 = 20,205.34 : x
  2. Step 2: Convert to fraction form
    23,515.90/35,303.91 = 20,205.34/x
  3. Step 3: Cross multiply
    23,515.90x = 35,303.91 × 20,205.34
  4. Step 4: Simplify right side
    23,515.90x = 713,327,504.88
  5. Step 5: Solve for x
    x = 713,327,504.88/23,515.90
  6. Step 6: Final answer
    x = 30,333.84

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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.