Home / 19,472.37-29,187.69-13,908.84

Finding the Fourth Proportional to 19,472.37, 29,187.69 and 13,908.84

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Solution

The fourth proportional to 19,472.37, 29,187.69 and 13,908.84 is: 20,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.37 : 29,187.69 = 13,908.84 : x
  2. Step 2: Convert to fraction form
    19,472.37/29,187.69 = 13,908.84/x
  3. Step 3: Cross multiply
    19,472.37x = 29,187.69 × 13,908.84
  4. Step 4: Simplify right side
    19,472.37x = 405,966,910.18
  5. Step 5: Solve for x
    x = 405,966,910.18/19,472.37
  6. Step 6: Final answer
    x = 20,848.36

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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.