Home / 13,948.71-20,907.21-6,933.63

Finding the Fourth Proportional to 13,948.71, 20,907.21 and 6,933.63

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Solution

The fourth proportional to 13,948.71, 20,907.21 and 6,933.63 is: 10,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.71 : 20,907.21 = 6,933.63 : x
  2. Step 2: Convert to fraction form
    13,948.71/20,907.21 = 6,933.63/x
  3. Step 3: Cross multiply
    13,948.71x = 20,907.21 × 6,933.63
  4. Step 4: Simplify right side
    13,948.71x = 144,962,858.47
  5. Step 5: Solve for x
    x = 144,962,858.47/13,948.71
  6. Step 6: Final answer
    x = 10,392.56

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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.