Home / 18,814.02-25,969.08-10,861.44

Finding the Fourth Proportional to 18,814.02, 25,969.08 and 10,861.44

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Solution

The fourth proportional to 18,814.02, 25,969.08 and 10,861.44 is: 14,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.02 : 25,969.08 = 10,861.44 : x
  2. Step 2: Convert to fraction form
    18,814.02/25,969.08 = 10,861.44/x
  3. Step 3: Cross multiply
    18,814.02x = 25,969.08 × 10,861.44
  4. Step 4: Simplify right side
    18,814.02x = 282,061,604.28
  5. Step 5: Solve for x
    x = 282,061,604.28/18,814.02
  6. Step 6: Final answer
    x = 14,992.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.