Home / 19,783.89-27,281.21-16,960.77

Finding the Fourth Proportional to 19,783.89, 27,281.21 and 16,960.77

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Solution

The fourth proportional to 19,783.89, 27,281.21 and 16,960.77 is: 23,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.89 : 27,281.21 = 16,960.77 : x
  2. Step 2: Convert to fraction form
    19,783.89/27,281.21 = 16,960.77/x
  3. Step 3: Cross multiply
    19,783.89x = 27,281.21 × 16,960.77
  4. Step 4: Simplify right side
    19,783.89x = 462,710,243.33
  5. Step 5: Solve for x
    x = 462,710,243.33/19,783.89
  6. Step 6: Final answer
    x = 23,388.23

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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.