Home / 13,672.48-20,511.46-4,908.08

Finding the Fourth Proportional to 13,672.48, 20,511.46 and 4,908.08

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Solution

The fourth proportional to 13,672.48, 20,511.46 and 4,908.08 is: 7,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.48 : 20,511.46 = 4,908.08 : x
  2. Step 2: Convert to fraction form
    13,672.48/20,511.46 = 4,908.08/x
  3. Step 3: Cross multiply
    13,672.48x = 20,511.46 × 4,908.08
  4. Step 4: Simplify right side
    13,672.48x = 100,671,886.60
  5. Step 5: Solve for x
    x = 100,671,886.60/13,672.48
  6. Step 6: Final answer
    x = 7,363.10

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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.