Home / 13,461.49-20,193.26-4,102.30

Finding the Fourth Proportional to 13,461.49, 20,193.26 and 4,102.30

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Solution

The fourth proportional to 13,461.49, 20,193.26 and 4,102.30 is: 6,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.49 : 20,193.26 = 4,102.30 : x
  2. Step 2: Convert to fraction form
    13,461.49/20,193.26 = 4,102.30/x
  3. Step 3: Cross multiply
    13,461.49x = 20,193.26 × 4,102.30
  4. Step 4: Simplify right side
    13,461.49x = 82,838,810.50
  5. Step 5: Solve for x
    x = 82,838,810.50/13,461.49
  6. Step 6: Final answer
    x = 6,153.76

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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.