Home / 13,455.55-20,181.73-3,595.59

Finding the Fourth Proportional to 13,455.55, 20,181.73 and 3,595.59

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Solution

The fourth proportional to 13,455.55, 20,181.73 and 3,595.59 is: 5,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.55 : 20,181.73 = 3,595.59 : x
  2. Step 2: Convert to fraction form
    13,455.55/20,181.73 = 3,595.59/x
  3. Step 3: Cross multiply
    13,455.55x = 20,181.73 × 3,595.59
  4. Step 4: Simplify right side
    13,455.55x = 72,565,125.66
  5. Step 5: Solve for x
    x = 72,565,125.66/13,455.55
  6. Step 6: Final answer
    x = 5,392.95

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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.