Home / 14,628.19-20,181.67-8,960.89

Finding the Fourth Proportional to 14,628.19, 20,181.67 and 8,960.89

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Solution

The fourth proportional to 14,628.19, 20,181.67 and 8,960.89 is: 12,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.19 : 20,181.67 = 8,960.89 : x
  2. Step 2: Convert to fraction form
    14,628.19/20,181.67 = 8,960.89/x
  3. Step 3: Cross multiply
    14,628.19x = 20,181.67 × 8,960.89
  4. Step 4: Simplify right side
    14,628.19x = 180,845,724.89
  5. Step 5: Solve for x
    x = 180,845,724.89/14,628.19
  6. Step 6: Final answer
    x = 12,362.82

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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.