Home / 19,192.04-26,469.96-12,479.84

Finding the Fourth Proportional to 19,192.04, 26,469.96 and 12,479.84

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Solution

The fourth proportional to 19,192.04, 26,469.96 and 12,479.84 is: 17,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.04 : 26,469.96 = 12,479.84 : x
  2. Step 2: Convert to fraction form
    19,192.04/26,469.96 = 12,479.84/x
  3. Step 3: Cross multiply
    19,192.04x = 26,469.96 × 12,479.84
  4. Step 4: Simplify right side
    19,192.04x = 330,340,865.61
  5. Step 5: Solve for x
    x = 330,340,865.61/19,192.04
  6. Step 6: Final answer
    x = 17,212.39

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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.