Home / 13,577.08-20,354.08-6,178.96

Finding the Fourth Proportional to 13,577.08, 20,354.08 and 6,178.96

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Solution

The fourth proportional to 13,577.08, 20,354.08 and 6,178.96 is: 9,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.08 : 20,354.08 = 6,178.96 : x
  2. Step 2: Convert to fraction form
    13,577.08/20,354.08 = 6,178.96/x
  3. Step 3: Cross multiply
    13,577.08x = 20,354.08 × 6,178.96
  4. Step 4: Simplify right side
    13,577.08x = 125,767,046.16
  5. Step 5: Solve for x
    x = 125,767,046.16/13,577.08
  6. Step 6: Final answer
    x = 9,263.19

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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.