Home / 23,398.36-32,289.82-12,787.99

Finding the Fourth Proportional to 23,398.36, 32,289.82 and 12,787.99

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Solution

The fourth proportional to 23,398.36, 32,289.82 and 12,787.99 is: 17,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.36 : 32,289.82 = 12,787.99 : x
  2. Step 2: Convert to fraction form
    23,398.36/32,289.82 = 12,787.99/x
  3. Step 3: Cross multiply
    23,398.36x = 32,289.82 × 12,787.99
  4. Step 4: Simplify right side
    23,398.36x = 412,921,895.26
  5. Step 5: Solve for x
    x = 412,921,895.26/23,398.36
  6. Step 6: Final answer
    x = 17,647.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.