Home / 13,074.60-19,577.34-6,905.64

Finding the Fourth Proportional to 13,074.60, 19,577.34 and 6,905.64

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Solution

The fourth proportional to 13,074.60, 19,577.34 and 6,905.64 is: 10,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.60 : 19,577.34 = 6,905.64 : x
  2. Step 2: Convert to fraction form
    13,074.60/19,577.34 = 6,905.64/x
  3. Step 3: Cross multiply
    13,074.60x = 19,577.34 × 6,905.64
  4. Step 4: Simplify right side
    13,074.60x = 135,194,062.20
  5. Step 5: Solve for x
    x = 135,194,062.20/13,074.60
  6. Step 6: Final answer
    x = 10,340.21

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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.