Home / 26,665.84-40,002.54-8,890.48

Finding the Fourth Proportional to 26,665.84, 40,002.54 and 8,890.48

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Solution

The fourth proportional to 26,665.84, 40,002.54 and 8,890.48 is: 13,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.84 : 40,002.54 = 8,890.48 : x
  2. Step 2: Convert to fraction form
    26,665.84/40,002.54 = 8,890.48/x
  3. Step 3: Cross multiply
    26,665.84x = 40,002.54 × 8,890.48
  4. Step 4: Simplify right side
    26,665.84x = 355,641,781.82
  5. Step 5: Solve for x
    x = 355,641,781.82/26,665.84
  6. Step 6: Final answer
    x = 13,336.98

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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.