Home / 25,618.80-38,433.24-10,827.60

Finding the Fourth Proportional to 25,618.80, 38,433.24 and 10,827.60

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Solution

The fourth proportional to 25,618.80, 38,433.24 and 10,827.60 is: 16,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.80 : 38,433.24 = 10,827.60 : x
  2. Step 2: Convert to fraction form
    25,618.80/38,433.24 = 10,827.60/x
  3. Step 3: Cross multiply
    25,618.80x = 38,433.24 × 10,827.60
  4. Step 4: Simplify right side
    25,618.80x = 416,139,749.42
  5. Step 5: Solve for x
    x = 416,139,749.42/25,618.80
  6. Step 6: Final answer
    x = 16,243.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.