Home / 18,608.28-25,683.54-14,567.08

Finding the Fourth Proportional to 18,608.28, 25,683.54 and 14,567.08

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Solution

The fourth proportional to 18,608.28, 25,683.54 and 14,567.08 is: 20,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.28 : 25,683.54 = 14,567.08 : x
  2. Step 2: Convert to fraction form
    18,608.28/25,683.54 = 14,567.08/x
  3. Step 3: Cross multiply
    18,608.28x = 25,683.54 × 14,567.08
  4. Step 4: Simplify right side
    18,608.28x = 374,134,181.86
  5. Step 5: Solve for x
    x = 374,134,181.86/18,608.28
  6. Step 6: Final answer
    x = 20,105.79

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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.