Home / 22,665.09-33,996.60-7,875.17

Finding the Fourth Proportional to 22,665.09, 33,996.60 and 7,875.17

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Solution

The fourth proportional to 22,665.09, 33,996.60 and 7,875.17 is: 11,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.09 : 33,996.60 = 7,875.17 : x
  2. Step 2: Convert to fraction form
    22,665.09/33,996.60 = 7,875.17/x
  3. Step 3: Cross multiply
    22,665.09x = 33,996.60 × 7,875.17
  4. Step 4: Simplify right side
    22,665.09x = 267,728,804.91
  5. Step 5: Solve for x
    x = 267,728,804.91/22,665.09
  6. Step 6: Final answer
    x = 11,812.39

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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.