Home / 18,585.86-25,648.35-10,629.43

Finding the Fourth Proportional to 18,585.86, 25,648.35 and 10,629.43

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Solution

The fourth proportional to 18,585.86, 25,648.35 and 10,629.43 is: 14,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.86 : 25,648.35 = 10,629.43 : x
  2. Step 2: Convert to fraction form
    18,585.86/25,648.35 = 10,629.43/x
  3. Step 3: Cross multiply
    18,585.86x = 25,648.35 × 10,629.43
  4. Step 4: Simplify right side
    18,585.86x = 272,627,236.96
  5. Step 5: Solve for x
    x = 272,627,236.96/18,585.86
  6. Step 6: Final answer
    x = 14,668.53

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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.