Home / 12,056.78-18,053.71-9,703.94

Finding the Fourth Proportional to 12,056.78, 18,053.71 and 9,703.94

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Solution

The fourth proportional to 12,056.78, 18,053.71 and 9,703.94 is: 14,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.78 : 18,053.71 = 9,703.94 : x
  2. Step 2: Convert to fraction form
    12,056.78/18,053.71 = 9,703.94/x
  3. Step 3: Cross multiply
    12,056.78x = 18,053.71 × 9,703.94
  4. Step 4: Simplify right side
    12,056.78x = 175,192,118.62
  5. Step 5: Solve for x
    x = 175,192,118.62/12,056.78
  6. Step 6: Final answer
    x = 14,530.59

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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.