Home / 22,329.48-30,817.90-13,377.36

Finding the Fourth Proportional to 22,329.48, 30,817.90 and 13,377.36

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Solution

The fourth proportional to 22,329.48, 30,817.90 and 13,377.36 is: 18,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.48 : 30,817.90 = 13,377.36 : x
  2. Step 2: Convert to fraction form
    22,329.48/30,817.90 = 13,377.36/x
  3. Step 3: Cross multiply
    22,329.48x = 30,817.90 × 13,377.36
  4. Step 4: Simplify right side
    22,329.48x = 412,262,142.74
  5. Step 5: Solve for x
    x = 412,262,142.74/22,329.48
  6. Step 6: Final answer
    x = 18,462.68

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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.