Home / 13,116.23-19,656.81-4,788.41

Finding the Fourth Proportional to 13,116.23, 19,656.81 and 4,788.41

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Solution

The fourth proportional to 13,116.23, 19,656.81 and 4,788.41 is: 7,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.23 : 19,656.81 = 4,788.41 : x
  2. Step 2: Convert to fraction form
    13,116.23/19,656.81 = 4,788.41/x
  3. Step 3: Cross multiply
    13,116.23x = 19,656.81 × 4,788.41
  4. Step 4: Simplify right side
    13,116.23x = 94,124,865.57
  5. Step 5: Solve for x
    x = 94,124,865.57/13,116.23
  6. Step 6: Final answer
    x = 7,176.21

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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.