Home / 13,802.47-20,706.75-5,037.35

Finding the Fourth Proportional to 13,802.47, 20,706.75 and 5,037.35

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Solution

The fourth proportional to 13,802.47, 20,706.75 and 5,037.35 is: 7,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.47 : 20,706.75 = 5,037.35 : x
  2. Step 2: Convert to fraction form
    13,802.47/20,706.75 = 5,037.35/x
  3. Step 3: Cross multiply
    13,802.47x = 20,706.75 × 5,037.35
  4. Step 4: Simplify right side
    13,802.47x = 104,307,043.58
  5. Step 5: Solve for x
    x = 104,307,043.58/13,802.47
  6. Step 6: Final answer
    x = 7,557.13

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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.