Home / 13,124.71-19,673.15-6,451.80

Finding the Fourth Proportional to 13,124.71, 19,673.15 and 6,451.80

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Solution

The fourth proportional to 13,124.71, 19,673.15 and 6,451.80 is: 9,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.71 : 19,673.15 = 6,451.80 : x
  2. Step 2: Convert to fraction form
    13,124.71/19,673.15 = 6,451.80/x
  3. Step 3: Cross multiply
    13,124.71x = 19,673.15 × 6,451.80
  4. Step 4: Simplify right side
    13,124.71x = 126,927,233.80
  5. Step 5: Solve for x
    x = 126,927,233.80/13,124.71
  6. Step 6: Final answer
    x = 9,670.86

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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.