Home / 13,886.02-20,829.84-4,025.08

Finding the Fourth Proportional to 13,886.02, 20,829.84 and 4,025.08

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Solution

The fourth proportional to 13,886.02, 20,829.84 and 4,025.08 is: 6,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.02 : 20,829.84 = 4,025.08 : x
  2. Step 2: Convert to fraction form
    13,886.02/20,829.84 = 4,025.08/x
  3. Step 3: Cross multiply
    13,886.02x = 20,829.84 × 4,025.08
  4. Step 4: Simplify right side
    13,886.02x = 83,841,772.39
  5. Step 5: Solve for x
    x = 83,841,772.39/13,886.02
  6. Step 6: Final answer
    x = 6,037.85

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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.