Home / 14,947.94-20,628.15-8,663.96

Finding the Fourth Proportional to 14,947.94, 20,628.15 and 8,663.96

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Solution

The fourth proportional to 14,947.94, 20,628.15 and 8,663.96 is: 11,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.94 : 20,628.15 = 8,663.96 : x
  2. Step 2: Convert to fraction form
    14,947.94/20,628.15 = 8,663.96/x
  3. Step 3: Cross multiply
    14,947.94x = 20,628.15 × 8,663.96
  4. Step 4: Simplify right side
    14,947.94x = 178,721,466.47
  5. Step 5: Solve for x
    x = 178,721,466.47/14,947.94
  6. Step 6: Final answer
    x = 11,956.26

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1.5x scale

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.