Home / 19,604.49-29,390.20-8,502.81

Finding the Fourth Proportional to 19,604.49, 29,390.20 and 8,502.81

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Solution

The fourth proportional to 19,604.49, 29,390.20 and 8,502.81 is: 12,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.49 : 29,390.20 = 8,502.81 : x
  2. Step 2: Convert to fraction form
    19,604.49/29,390.20 = 8,502.81/x
  3. Step 3: Cross multiply
    19,604.49x = 29,390.20 × 8,502.81
  4. Step 4: Simplify right side
    19,604.49x = 249,899,351.74
  5. Step 5: Solve for x
    x = 249,899,351.74/19,604.49
  6. Step 6: Final answer
    x = 12,747.05

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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.