Home / 13,802.71-20,707.11-5,037.60

Finding the Fourth Proportional to 13,802.71, 20,707.11 and 5,037.60

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Solution

The fourth proportional to 13,802.71, 20,707.11 and 5,037.60 is: 7,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.71 : 20,707.11 = 5,037.60 : x
  2. Step 2: Convert to fraction form
    13,802.71/20,707.11 = 5,037.60/x
  3. Step 3: Cross multiply
    13,802.71x = 20,707.11 × 5,037.60
  4. Step 4: Simplify right side
    13,802.71x = 104,314,137.34
  5. Step 5: Solve for x
    x = 104,314,137.34/13,802.71
  6. Step 6: Final answer
    x = 7,557.51

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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.