Home / 28,669.10-43,003.65-14,672.30

Finding the Fourth Proportional to 28,669.10, 43,003.65 and 14,672.30

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Solution

The fourth proportional to 28,669.10, 43,003.65 and 14,672.30 is: 22,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.10 : 43,003.65 = 14,672.30 : x
  2. Step 2: Convert to fraction form
    28,669.10/43,003.65 = 14,672.30/x
  3. Step 3: Cross multiply
    28,669.10x = 43,003.65 × 14,672.30
  4. Step 4: Simplify right side
    28,669.10x = 630,962,453.90
  5. Step 5: Solve for x
    x = 630,962,453.90/28,669.10
  6. Step 6: Final answer
    x = 22,008.45

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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.