Home / 26,085.26-36,016.29-20,626.20

Finding the Fourth Proportional to 26,085.26, 36,016.29 and 20,626.20

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Solution

The fourth proportional to 26,085.26, 36,016.29 and 20,626.20 is: 28,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.26 : 36,016.29 = 20,626.20 : x
  2. Step 2: Convert to fraction form
    26,085.26/36,016.29 = 20,626.20/x
  3. Step 3: Cross multiply
    26,085.26x = 36,016.29 × 20,626.20
  4. Step 4: Simplify right side
    26,085.26x = 742,879,200.80
  5. Step 5: Solve for x
    x = 742,879,200.80/26,085.26
  6. Step 6: Final answer
    x = 28,478.89

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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.