Home / 25,125.80-37,662.30-8,480.07

Finding the Fourth Proportional to 25,125.80, 37,662.30 and 8,480.07

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Solution

The fourth proportional to 25,125.80, 37,662.30 and 8,480.07 is: 12,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.80 : 37,662.30 = 8,480.07 : x
  2. Step 2: Convert to fraction form
    25,125.80/37,662.30 = 8,480.07/x
  3. Step 3: Cross multiply
    25,125.80x = 37,662.30 × 8,480.07
  4. Step 4: Simplify right side
    25,125.80x = 319,378,940.36
  5. Step 5: Solve for x
    x = 319,378,940.36/25,125.80
  6. Step 6: Final answer
    x = 12,711.20

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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.