Home / 35,772.28-53,667.72-13,585.80

Finding the Fourth Proportional to 35,772.28, 53,667.72 and 13,585.80

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Solution

The fourth proportional to 35,772.28, 53,667.72 and 13,585.80 is: 20,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.28 : 53,667.72 = 13,585.80 : x
  2. Step 2: Convert to fraction form
    35,772.28/53,667.72 = 13,585.80/x
  3. Step 3: Cross multiply
    35,772.28x = 53,667.72 × 13,585.80
  4. Step 4: Simplify right side
    35,772.28x = 729,118,910.38
  5. Step 5: Solve for x
    x = 729,118,910.38/35,772.28
  6. Step 6: Final answer
    x = 20,382.23

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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.