Home / 18,398.44-25,395.58-10,445.96

Finding the Fourth Proportional to 18,398.44, 25,395.58 and 10,445.96

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Solution

The fourth proportional to 18,398.44, 25,395.58 and 10,445.96 is: 14,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.44 : 25,395.58 = 10,445.96 : x
  2. Step 2: Convert to fraction form
    18,398.44/25,395.58 = 10,445.96/x
  3. Step 3: Cross multiply
    18,398.44x = 25,395.58 × 10,445.96
  4. Step 4: Simplify right side
    18,398.44x = 265,281,212.86
  5. Step 5: Solve for x
    x = 265,281,212.86/18,398.44
  6. Step 6: Final answer
    x = 14,418.68

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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.