Home / 19,424.49-29,144.93-12,412.41

Finding the Fourth Proportional to 19,424.49, 29,144.93 and 12,412.41

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Solution

The fourth proportional to 19,424.49, 29,144.93 and 12,412.41 is: 18,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.49 : 29,144.93 = 12,412.41 : x
  2. Step 2: Convert to fraction form
    19,424.49/29,144.93 = 12,412.41/x
  3. Step 3: Cross multiply
    19,424.49x = 29,144.93 × 12,412.41
  4. Step 4: Simplify right side
    19,424.49x = 361,758,820.58
  5. Step 5: Solve for x
    x = 361,758,820.58/19,424.49
  6. Step 6: Final answer
    x = 18,623.85

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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.