Home / 19,292.01-26,608.68-13,620.86

Finding the Fourth Proportional to 19,292.01, 26,608.68 and 13,620.86

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Solution

The fourth proportional to 19,292.01, 26,608.68 and 13,620.86 is: 18,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.01 : 26,608.68 = 13,620.86 : x
  2. Step 2: Convert to fraction form
    19,292.01/26,608.68 = 13,620.86/x
  3. Step 3: Cross multiply
    19,292.01x = 26,608.68 × 13,620.86
  4. Step 4: Simplify right side
    19,292.01x = 362,432,972.02
  5. Step 5: Solve for x
    x = 362,432,972.02/19,292.01
  6. Step 6: Final answer
    x = 18,786.69

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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.