Home / 13,972.20-20,953.85-4,610.47

Finding the Fourth Proportional to 13,972.20, 20,953.85 and 4,610.47

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Solution

The fourth proportional to 13,972.20, 20,953.85 and 4,610.47 is: 6,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.20 : 20,953.85 = 4,610.47 : x
  2. Step 2: Convert to fraction form
    13,972.20/20,953.85 = 4,610.47/x
  3. Step 3: Cross multiply
    13,972.20x = 20,953.85 × 4,610.47
  4. Step 4: Simplify right side
    13,972.20x = 96,607,093.08
  5. Step 5: Solve for x
    x = 96,607,093.08/13,972.20
  6. Step 6: Final answer
    x = 6,914.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.