Home / 22,013.86-30,389.64-13,951.54

Finding the Fourth Proportional to 22,013.86, 30,389.64 and 13,951.54

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Solution

The fourth proportional to 22,013.86, 30,389.64 and 13,951.54 is: 19,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.86 : 30,389.64 = 13,951.54 : x
  2. Step 2: Convert to fraction form
    22,013.86/30,389.64 = 13,951.54/x
  3. Step 3: Cross multiply
    22,013.86x = 30,389.64 × 13,951.54
  4. Step 4: Simplify right side
    22,013.86x = 423,982,278.05
  5. Step 5: Solve for x
    x = 423,982,278.05/22,013.86
  6. Step 6: Final answer
    x = 19,259.79

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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.