Home / 14,294.48-19,725.53-7,920.94

Finding the Fourth Proportional to 14,294.48, 19,725.53 and 7,920.94

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Solution

The fourth proportional to 14,294.48, 19,725.53 and 7,920.94 is: 10,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.48 : 19,725.53 = 7,920.94 : x
  2. Step 2: Convert to fraction form
    14,294.48/19,725.53 = 7,920.94/x
  3. Step 3: Cross multiply
    14,294.48x = 19,725.53 × 7,920.94
  4. Step 4: Simplify right side
    14,294.48x = 156,244,687.67
  5. Step 5: Solve for x
    x = 156,244,687.67/14,294.48
  6. Step 6: Final answer
    x = 10,930.43

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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.