Home / 18,922.48-26,110.68-10,961.84

Finding the Fourth Proportional to 18,922.48, 26,110.68 and 10,961.84

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Solution

The fourth proportional to 18,922.48, 26,110.68 and 10,961.84 is: 15,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.48 : 26,110.68 = 10,961.84 : x
  2. Step 2: Convert to fraction form
    18,922.48/26,110.68 = 10,961.84/x
  3. Step 3: Cross multiply
    18,922.48x = 26,110.68 × 10,961.84
  4. Step 4: Simplify right side
    18,922.48x = 286,221,096.45
  5. Step 5: Solve for x
    x = 286,221,096.45/18,922.48
  6. Step 6: Final answer
    x = 15,125.98

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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.