Home / 18,363.22-25,341.26-10,405.44

Finding the Fourth Proportional to 18,363.22, 25,341.26 and 10,405.44

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Solution

The fourth proportional to 18,363.22, 25,341.26 and 10,405.44 is: 14,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.22 : 25,341.26 = 10,405.44 : x
  2. Step 2: Convert to fraction form
    18,363.22/25,341.26 = 10,405.44/x
  3. Step 3: Cross multiply
    18,363.22x = 25,341.26 × 10,405.44
  4. Step 4: Simplify right side
    18,363.22x = 263,686,908.43
  5. Step 5: Solve for x
    x = 263,686,908.43/18,363.22
  6. Step 6: Final answer
    x = 14,359.52

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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.