Home / 35,995.12-53,997.23-12,307.21

Finding the Fourth Proportional to 35,995.12, 53,997.23 and 12,307.21

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Solution

The fourth proportional to 35,995.12, 53,997.23 and 12,307.21 is: 18,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,995.12 : 53,997.23 = 12,307.21 : x
  2. Step 2: Convert to fraction form
    35,995.12/53,997.23 = 12,307.21/x
  3. Step 3: Cross multiply
    35,995.12x = 53,997.23 × 12,307.21
  4. Step 4: Simplify right side
    35,995.12x = 664,555,144.80
  5. Step 5: Solve for x
    x = 664,555,144.80/35,995.12
  6. Step 6: Final answer
    x = 18,462.37

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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.