Home / 13,195.81-19,794.63-4,875.64

Finding the Fourth Proportional to 13,195.81, 19,794.63 and 4,875.64

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Solution

The fourth proportional to 13,195.81, 19,794.63 and 4,875.64 is: 7,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.81 : 19,794.63 = 4,875.64 : x
  2. Step 2: Convert to fraction form
    13,195.81/19,794.63 = 4,875.64/x
  3. Step 3: Cross multiply
    13,195.81x = 19,794.63 × 4,875.64
  4. Step 4: Simplify right side
    13,195.81x = 96,511,542.53
  5. Step 5: Solve for x
    x = 96,511,542.53/13,195.81
  6. Step 6: Final answer
    x = 7,313.80

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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.