Home / 18,181.32-25,089.96-10,114.86

Finding the Fourth Proportional to 18,181.32, 25,089.96 and 10,114.86

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Solution

The fourth proportional to 18,181.32, 25,089.96 and 10,114.86 is: 13,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.32 : 25,089.96 = 10,114.86 : x
  2. Step 2: Convert to fraction form
    18,181.32/25,089.96 = 10,114.86/x
  3. Step 3: Cross multiply
    18,181.32x = 25,089.96 × 10,114.86
  4. Step 4: Simplify right side
    18,181.32x = 253,781,432.81
  5. Step 5: Solve for x
    x = 253,781,432.81/18,181.32
  6. Step 6: Final answer
    x = 13,958.36

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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.