Home / 25,450.83-38,162.36-8,809.47

Finding the Fourth Proportional to 25,450.83, 38,162.36 and 8,809.47

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Solution

The fourth proportional to 25,450.83, 38,162.36 and 8,809.47 is: 13,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.83 : 38,162.36 = 8,809.47 : x
  2. Step 2: Convert to fraction form
    25,450.83/38,162.36 = 8,809.47/x
  3. Step 3: Cross multiply
    25,450.83x = 38,162.36 × 8,809.47
  4. Step 4: Simplify right side
    25,450.83x = 336,190,121.50
  5. Step 5: Solve for x
    x = 336,190,121.50/25,450.83
  6. Step 6: Final answer
    x = 13,209.40

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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.