Home / 18,090.02-24,978.66-12,046.16

Finding the Fourth Proportional to 18,090.02, 24,978.66 and 12,046.16

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Solution

The fourth proportional to 18,090.02, 24,978.66 and 12,046.16 is: 16,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.02 : 24,978.66 = 12,046.16 : x
  2. Step 2: Convert to fraction form
    18,090.02/24,978.66 = 12,046.16/x
  3. Step 3: Cross multiply
    18,090.02x = 24,978.66 × 12,046.16
  4. Step 4: Simplify right side
    18,090.02x = 300,896,934.95
  5. Step 5: Solve for x
    x = 300,896,934.95/18,090.02
  6. Step 6: Final answer
    x = 16,633.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.