Home / 13,673.56-20,511.35-4,908.55

Finding the Fourth Proportional to 13,673.56, 20,511.35 and 4,908.55

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Solution

The fourth proportional to 13,673.56, 20,511.35 and 4,908.55 is: 7,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.56 : 20,511.35 = 4,908.55 : x
  2. Step 2: Convert to fraction form
    13,673.56/20,511.35 = 4,908.55/x
  3. Step 3: Cross multiply
    13,673.56x = 20,511.35 × 4,908.55
  4. Step 4: Simplify right side
    13,673.56x = 100,680,962.50
  5. Step 5: Solve for x
    x = 100,680,962.50/13,673.56
  6. Step 6: Final answer
    x = 7,363.19

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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.