Home / 35,772.85-53,659.27-12,399.28

Finding the Fourth Proportional to 35,772.85, 53,659.27 and 12,399.28

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Solution

The fourth proportional to 35,772.85, 53,659.27 and 12,399.28 is: 18,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.85 : 53,659.27 = 12,399.28 : x
  2. Step 2: Convert to fraction form
    35,772.85/53,659.27 = 12,399.28/x
  3. Step 3: Cross multiply
    35,772.85x = 53,659.27 × 12,399.28
  4. Step 4: Simplify right side
    35,772.85x = 665,336,416.48
  5. Step 5: Solve for x
    x = 665,336,416.48/35,772.85
  6. Step 6: Final answer
    x = 18,598.92

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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.