Home / 14,438.94-21,646.26-7,039.59

Finding the Fourth Proportional to 14,438.94, 21,646.26 and 7,039.59

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Solution

The fourth proportional to 14,438.94, 21,646.26 and 7,039.59 is: 10,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.94 : 21,646.26 = 7,039.59 : x
  2. Step 2: Convert to fraction form
    14,438.94/21,646.26 = 7,039.59/x
  3. Step 3: Cross multiply
    14,438.94x = 21,646.26 × 7,039.59
  4. Step 4: Simplify right side
    14,438.94x = 152,380,795.43
  5. Step 5: Solve for x
    x = 152,380,795.43/14,438.94
  6. Step 6: Final answer
    x = 10,553.46

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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.