Home / 14,551.24-20,074.60-8,959

Finding the Fourth Proportional to 14,551.24, 20,074.60 and 8,959

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Solution

The fourth proportional to 14,551.24, 20,074.60 and 8,959 is: 12,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.24 : 20,074.60 = 8,959 : x
  2. Step 2: Convert to fraction form
    14,551.24/20,074.60 = 8,959/x
  3. Step 3: Cross multiply
    14,551.24x = 20,074.60 × 8,959
  4. Step 4: Simplify right side
    14,551.24x = 179,848,341.40
  5. Step 5: Solve for x
    x = 179,848,341.40/14,551.24
  6. Step 6: Final answer
    x = 12,359.66

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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.