Home / 19,336.46-29,017.65-12,415.82

Finding the Fourth Proportional to 19,336.46, 29,017.65 and 12,415.82

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Solution

The fourth proportional to 19,336.46, 29,017.65 and 12,415.82 is: 18,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.46 : 29,017.65 = 12,415.82 : x
  2. Step 2: Convert to fraction form
    19,336.46/29,017.65 = 12,415.82/x
  3. Step 3: Cross multiply
    19,336.46x = 29,017.65 × 12,415.82
  4. Step 4: Simplify right side
    19,336.46x = 360,277,919.22
  5. Step 5: Solve for x
    x = 360,277,919.22/19,336.46
  6. Step 6: Final answer
    x = 18,632.05

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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.