Home / 35,665.72-53,504.65-12,286.69

Finding the Fourth Proportional to 35,665.72, 53,504.65 and 12,286.69

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Solution

The fourth proportional to 35,665.72, 53,504.65 and 12,286.69 is: 18,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.72 : 53,504.65 = 12,286.69 : x
  2. Step 2: Convert to fraction form
    35,665.72/53,504.65 = 12,286.69/x
  3. Step 3: Cross multiply
    35,665.72x = 53,504.65 × 12,286.69
  4. Step 4: Simplify right side
    35,665.72x = 657,394,929.71
  5. Step 5: Solve for x
    x = 657,394,929.71/35,665.72
  6. Step 6: Final answer
    x = 18,432.12

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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.