Home / 13,985.03-20,972.55-4,623.32

Finding the Fourth Proportional to 13,985.03, 20,972.55 and 4,623.32

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Solution

The fourth proportional to 13,985.03, 20,972.55 and 4,623.32 is: 6,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.03 : 20,972.55 = 4,623.32 : x
  2. Step 2: Convert to fraction form
    13,985.03/20,972.55 = 4,623.32/x
  3. Step 3: Cross multiply
    13,985.03x = 20,972.55 × 4,623.32
  4. Step 4: Simplify right side
    13,985.03x = 96,962,862.30
  5. Step 5: Solve for x
    x = 96,962,862.30/13,985.03
  6. Step 6: Final answer
    x = 6,933.33

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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.