Home / 16,878.02-25,312.56-5,028.60

Finding the Fourth Proportional to 16,878.02, 25,312.56 and 5,028.60

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Solution

The fourth proportional to 16,878.02, 25,312.56 and 5,028.60 is: 7,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.02 : 25,312.56 = 5,028.60 : x
  2. Step 2: Convert to fraction form
    16,878.02/25,312.56 = 5,028.60/x
  3. Step 3: Cross multiply
    16,878.02x = 25,312.56 × 5,028.60
  4. Step 4: Simplify right side
    16,878.02x = 127,286,739.22
  5. Step 5: Solve for x
    x = 127,286,739.22/16,878.02
  6. Step 6: Final answer
    x = 7,541.57

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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.