Home / 13,316.43-19,977-4,549.29

Finding the Fourth Proportional to 13,316.43, 19,977 and 4,549.29

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Solution

The fourth proportional to 13,316.43, 19,977 and 4,549.29 is: 6,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.43 : 19,977 = 4,549.29 : x
  2. Step 2: Convert to fraction form
    13,316.43/19,977 = 4,549.29/x
  3. Step 3: Cross multiply
    13,316.43x = 19,977 × 4,549.29
  4. Step 4: Simplify right side
    13,316.43x = 90,881,166.33
  5. Step 5: Solve for x
    x = 90,881,166.33/13,316.43
  6. Step 6: Final answer
    x = 6,824.74

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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.