Home / 14,135.03-21,199.80-13,432.46

Finding the Fourth Proportional to 14,135.03, 21,199.80 and 13,432.46

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Solution

The fourth proportional to 14,135.03, 21,199.80 and 13,432.46 is: 20,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.03 : 21,199.80 = 13,432.46 : x
  2. Step 2: Convert to fraction form
    14,135.03/21,199.80 = 13,432.46/x
  3. Step 3: Cross multiply
    14,135.03x = 21,199.80 × 13,432.46
  4. Step 4: Simplify right side
    14,135.03x = 284,765,409.88
  5. Step 5: Solve for x
    x = 284,765,409.88/14,135.03
  6. Step 6: Final answer
    x = 20,146.08

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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.