Home / 36,909.72-55,372.64-11,952.27

Finding the Fourth Proportional to 36,909.72, 55,372.64 and 11,952.27

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Solution

The fourth proportional to 36,909.72, 55,372.64 and 11,952.27 is: 17,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.72 : 55,372.64 = 11,952.27 : x
  2. Step 2: Convert to fraction form
    36,909.72/55,372.64 = 11,952.27/x
  3. Step 3: Cross multiply
    36,909.72x = 55,372.64 × 11,952.27
  4. Step 4: Simplify right side
    36,909.72x = 661,828,684.13
  5. Step 5: Solve for x
    x = 661,828,684.13/36,909.72
  6. Step 6: Final answer
    x = 17,931.01

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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.