Home / 35,772.98-53,658.84-12,399.08

Finding the Fourth Proportional to 35,772.98, 53,658.84 and 12,399.08

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Solution

The fourth proportional to 35,772.98, 53,658.84 and 12,399.08 is: 18,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.98 : 53,658.84 = 12,399.08 : x
  2. Step 2: Convert to fraction form
    35,772.98/53,658.84 = 12,399.08/x
  3. Step 3: Cross multiply
    35,772.98x = 53,658.84 × 12,399.08
  4. Step 4: Simplify right side
    35,772.98x = 665,320,249.87
  5. Step 5: Solve for x
    x = 665,320,249.87/35,772.98
  6. Step 6: Final answer
    x = 18,598.40

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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.