Home / 39,142.83-58,708.99-11,065.09

Finding the Fourth Proportional to 39,142.83, 58,708.99 and 11,065.09

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Solution

The fourth proportional to 39,142.83, 58,708.99 and 11,065.09 is: 16,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.83 : 58,708.99 = 11,065.09 : x
  2. Step 2: Convert to fraction form
    39,142.83/58,708.99 = 11,065.09/x
  3. Step 3: Cross multiply
    39,142.83x = 58,708.99 × 11,065.09
  4. Step 4: Simplify right side
    39,142.83x = 649,620,258.16
  5. Step 5: Solve for x
    x = 649,620,258.16/39,142.83
  6. Step 6: Final answer
    x = 16,596.15

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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.