Home / 19,397.94-29,056.54-12,343.01

Finding the Fourth Proportional to 19,397.94, 29,056.54 and 12,343.01

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Solution

The fourth proportional to 19,397.94, 29,056.54 and 12,343.01 is: 18,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.94 : 29,056.54 = 12,343.01 : x
  2. Step 2: Convert to fraction form
    19,397.94/29,056.54 = 12,343.01/x
  3. Step 3: Cross multiply
    19,397.94x = 29,056.54 × 12,343.01
  4. Step 4: Simplify right side
    19,397.94x = 358,645,163.79
  5. Step 5: Solve for x
    x = 358,645,163.79/19,397.94
  6. Step 6: Final answer
    x = 18,488.83

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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.