Home / 21,580.73-32,368.77-5,787.33

Finding the Fourth Proportional to 21,580.73, 32,368.77 and 5,787.33

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Solution

The fourth proportional to 21,580.73, 32,368.77 and 5,787.33 is: 8,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.73 : 32,368.77 = 5,787.33 : x
  2. Step 2: Convert to fraction form
    21,580.73/32,368.77 = 5,787.33/x
  3. Step 3: Cross multiply
    21,580.73x = 32,368.77 × 5,787.33
  4. Step 4: Simplify right side
    21,580.73x = 187,328,651.06
  5. Step 5: Solve for x
    x = 187,328,651.06/21,580.73
  6. Step 6: Final answer
    x = 8,680.37

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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.