Home / 13,900.33-20,852.79-4,038.31

Finding the Fourth Proportional to 13,900.33, 20,852.79 and 4,038.31

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Solution

The fourth proportional to 13,900.33, 20,852.79 and 4,038.31 is: 6,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.33 : 20,852.79 = 4,038.31 : x
  2. Step 2: Convert to fraction form
    13,900.33/20,852.79 = 4,038.31/x
  3. Step 3: Cross multiply
    13,900.33x = 20,852.79 × 4,038.31
  4. Step 4: Simplify right side
    13,900.33x = 84,210,030.38
  5. Step 5: Solve for x
    x = 84,210,030.38/13,900.33
  6. Step 6: Final answer
    x = 6,058.13

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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.