Home / 35,720.21-53,575.04-9,426.80

Finding the Fourth Proportional to 35,720.21, 53,575.04 and 9,426.80

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Solution

The fourth proportional to 35,720.21, 53,575.04 and 9,426.80 is: 14,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.21 : 53,575.04 = 9,426.80 : x
  2. Step 2: Convert to fraction form
    35,720.21/53,575.04 = 9,426.80/x
  3. Step 3: Cross multiply
    35,720.21x = 53,575.04 × 9,426.80
  4. Step 4: Simplify right side
    35,720.21x = 505,040,942.76
  5. Step 5: Solve for x
    x = 505,040,942.76/35,720.21
  6. Step 6: Final answer
    x = 14,138.80

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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.