Home / 18,961.89-26,166.99-10,463.69

Finding the Fourth Proportional to 18,961.89, 26,166.99 and 10,463.69

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Solution

The fourth proportional to 18,961.89, 26,166.99 and 10,463.69 is: 14,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.89 : 26,166.99 = 10,463.69 : x
  2. Step 2: Convert to fraction form
    18,961.89/26,166.99 = 10,463.69/x
  3. Step 3: Cross multiply
    18,961.89x = 26,166.99 × 10,463.69
  4. Step 4: Simplify right side
    18,961.89x = 273,803,140.76
  5. Step 5: Solve for x
    x = 273,803,140.76/18,961.89
  6. Step 6: Final answer
    x = 14,439.65

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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.