Home / 39,186.60-58,784.00-12,893.42

Finding the Fourth Proportional to 39,186.60, 58,784.00 and 12,893.42

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Solution

The fourth proportional to 39,186.60, 58,784.00 and 12,893.42 is: 19,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.60 : 58,784.00 = 12,893.42 : x
  2. Step 2: Convert to fraction form
    39,186.60/58,784.00 = 12,893.42/x
  3. Step 3: Cross multiply
    39,186.60x = 58,784.00 × 12,893.42
  4. Step 4: Simplify right side
    39,186.60x = 757,926,442.89
  5. Step 5: Solve for x
    x = 757,926,442.89/39,186.60
  6. Step 6: Final answer
    x = 19,341.47

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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.