Home / 39,665.68-59,504.09-11,587.79

Finding the Fourth Proportional to 39,665.68, 59,504.09 and 11,587.79

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Solution

The fourth proportional to 39,665.68, 59,504.09 and 11,587.79 is: 17,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.68 : 59,504.09 = 11,587.79 : x
  2. Step 2: Convert to fraction form
    39,665.68/59,504.09 = 11,587.79/x
  3. Step 3: Cross multiply
    39,665.68x = 59,504.09 × 11,587.79
  4. Step 4: Simplify right side
    39,665.68x = 689,520,989.88
  5. Step 5: Solve for x
    x = 689,520,989.88/39,665.68
  6. Step 6: Final answer
    x = 17,383.32

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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.