Home / 13,934.48-20,903.68-4,074.52

Finding the Fourth Proportional to 13,934.48, 20,903.68 and 4,074.52

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Solution

The fourth proportional to 13,934.48, 20,903.68 and 4,074.52 is: 6,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.48 : 20,903.68 = 4,074.52 : x
  2. Step 2: Convert to fraction form
    13,934.48/20,903.68 = 4,074.52/x
  3. Step 3: Cross multiply
    13,934.48x = 20,903.68 × 4,074.52
  4. Step 4: Simplify right side
    13,934.48x = 85,172,462.23
  5. Step 5: Solve for x
    x = 85,172,462.23/13,934.48
  6. Step 6: Final answer
    x = 6,112.35

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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.