Home / 13,150.40-19,725.60-6,577.60

Finding the Fourth Proportional to 13,150.40, 19,725.60 and 6,577.60

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Solution

The fourth proportional to 13,150.40, 19,725.60 and 6,577.60 is: 9,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.40 : 19,725.60 = 6,577.60 : x
  2. Step 2: Convert to fraction form
    13,150.40/19,725.60 = 6,577.60/x
  3. Step 3: Cross multiply
    13,150.40x = 19,725.60 × 6,577.60
  4. Step 4: Simplify right side
    13,150.40x = 129,747,106.56
  5. Step 5: Solve for x
    x = 129,747,106.56/13,150.40
  6. Step 6: Final answer
    x = 9,866.40

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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.