Home / 25,212.80-37,768.23-12,715.44

Finding the Fourth Proportional to 25,212.80, 37,768.23 and 12,715.44

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Solution

The fourth proportional to 25,212.80, 37,768.23 and 12,715.44 is: 19,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.80 : 37,768.23 = 12,715.44 : x
  2. Step 2: Convert to fraction form
    25,212.80/37,768.23 = 12,715.44/x
  3. Step 3: Cross multiply
    25,212.80x = 37,768.23 × 12,715.44
  4. Step 4: Simplify right side
    25,212.80x = 480,239,662.47
  5. Step 5: Solve for x
    x = 480,239,662.47/25,212.80
  6. Step 6: Final answer
    x = 19,047.46

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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.