Home / 13,554.11-20,334.85-5,654.01

Finding the Fourth Proportional to 13,554.11, 20,334.85 and 5,654.01

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Solution

The fourth proportional to 13,554.11, 20,334.85 and 5,654.01 is: 8,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.11 : 20,334.85 = 5,654.01 : x
  2. Step 2: Convert to fraction form
    13,554.11/20,334.85 = 5,654.01/x
  3. Step 3: Cross multiply
    13,554.11x = 20,334.85 × 5,654.01
  4. Step 4: Simplify right side
    13,554.11x = 114,973,445.25
  5. Step 5: Solve for x
    x = 114,973,445.25/13,554.11
  6. Step 6: Final answer
    x = 8,482.55

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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.