Home / 13,667.63-20,504.56-4,307.60

Finding the Fourth Proportional to 13,667.63, 20,504.56 and 4,307.60

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Solution

The fourth proportional to 13,667.63, 20,504.56 and 4,307.60 is: 6,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.63 : 20,504.56 = 4,307.60 : x
  2. Step 2: Convert to fraction form
    13,667.63/20,504.56 = 4,307.60/x
  3. Step 3: Cross multiply
    13,667.63x = 20,504.56 × 4,307.60
  4. Step 4: Simplify right side
    13,667.63x = 88,325,329.36
  5. Step 5: Solve for x
    x = 88,325,329.36/13,667.63
  6. Step 6: Final answer
    x = 6,462.38

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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.