Home / 14,012.85-19,337.71-7,725.23

Finding the Fourth Proportional to 14,012.85, 19,337.71 and 7,725.23

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Solution

The fourth proportional to 14,012.85, 19,337.71 and 7,725.23 is: 10,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.85 : 19,337.71 = 7,725.23 : x
  2. Step 2: Convert to fraction form
    14,012.85/19,337.71 = 7,725.23/x
  3. Step 3: Cross multiply
    14,012.85x = 19,337.71 × 7,725.23
  4. Step 4: Simplify right side
    14,012.85x = 149,388,257.42
  5. Step 5: Solve for x
    x = 149,388,257.42/14,012.85
  6. Step 6: Final answer
    x = 10,660.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.