Home / 13,380.02-20,063.20-4,492.30

Finding the Fourth Proportional to 13,380.02, 20,063.20 and 4,492.30

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Solution

The fourth proportional to 13,380.02, 20,063.20 and 4,492.30 is: 6,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.02 : 20,063.20 = 4,492.30 : x
  2. Step 2: Convert to fraction form
    13,380.02/20,063.20 = 4,492.30/x
  3. Step 3: Cross multiply
    13,380.02x = 20,063.20 × 4,492.30
  4. Step 4: Simplify right side
    13,380.02x = 90,129,913.36
  5. Step 5: Solve for x
    x = 90,129,913.36/13,380.02
  6. Step 6: Final answer
    x = 6,736.16

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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.