Home / 13,245.02-19,863.43-4,477.88

Finding the Fourth Proportional to 13,245.02, 19,863.43 and 4,477.88

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Solution

The fourth proportional to 13,245.02, 19,863.43 and 4,477.88 is: 6,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.02 : 19,863.43 = 4,477.88 : x
  2. Step 2: Convert to fraction form
    13,245.02/19,863.43 = 4,477.88/x
  3. Step 3: Cross multiply
    13,245.02x = 19,863.43 × 4,477.88
  4. Step 4: Simplify right side
    13,245.02x = 88,946,094.39
  5. Step 5: Solve for x
    x = 88,946,094.39/13,245.02
  6. Step 6: Final answer
    x = 6,715.44

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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.