Home / 25,256.79-37,896.11-13,556.34

Finding the Fourth Proportional to 25,256.79, 37,896.11 and 13,556.34

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Solution

The fourth proportional to 25,256.79, 37,896.11 and 13,556.34 is: 20,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256.79 : 37,896.11 = 13,556.34 : x
  2. Step 2: Convert to fraction form
    25,256.79/37,896.11 = 13,556.34/x
  3. Step 3: Cross multiply
    25,256.79x = 37,896.11 × 13,556.34
  4. Step 4: Simplify right side
    25,256.79x = 513,732,551.84
  5. Step 5: Solve for x
    x = 513,732,551.84/25,256.79
  6. Step 6: Final answer
    x = 20,340.37

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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.