Home / 13,907.50-20,859.42-5,021.92

Finding the Fourth Proportional to 13,907.50, 20,859.42 and 5,021.92

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Solution

The fourth proportional to 13,907.50, 20,859.42 and 5,021.92 is: 7,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.50 : 20,859.42 = 5,021.92 : x
  2. Step 2: Convert to fraction form
    13,907.50/20,859.42 = 5,021.92/x
  3. Step 3: Cross multiply
    13,907.50x = 20,859.42 × 5,021.92
  4. Step 4: Simplify right side
    13,907.50x = 104,754,338.49
  5. Step 5: Solve for x
    x = 104,754,338.49/13,907.50
  6. Step 6: Final answer
    x = 7,532.22

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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.