Home / 19,737.03-27,237.42-11,783.91

Finding the Fourth Proportional to 19,737.03, 27,237.42 and 11,783.91

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Solution

The fourth proportional to 19,737.03, 27,237.42 and 11,783.91 is: 16,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.03 : 27,237.42 = 11,783.91 : x
  2. Step 2: Convert to fraction form
    19,737.03/27,237.42 = 11,783.91/x
  3. Step 3: Cross multiply
    19,737.03x = 27,237.42 × 11,783.91
  4. Step 4: Simplify right side
    19,737.03x = 320,963,305.91
  5. Step 5: Solve for x
    x = 320,963,305.91/19,737.03
  6. Step 6: Final answer
    x = 16,261.99

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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.