Home / 26,016.80-39,025.20-10,445.60

Finding the Fourth Proportional to 26,016.80, 39,025.20 and 10,445.60

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Solution

The fourth proportional to 26,016.80, 39,025.20 and 10,445.60 is: 15,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,016.80 : 39,025.20 = 10,445.60 : x
  2. Step 2: Convert to fraction form
    26,016.80/39,025.20 = 10,445.60/x
  3. Step 3: Cross multiply
    26,016.80x = 39,025.20 × 10,445.60
  4. Step 4: Simplify right side
    26,016.80x = 407,641,629.12
  5. Step 5: Solve for x
    x = 407,641,629.12/26,016.80
  6. Step 6: Final answer
    x = 15,668.40

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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.