Home / 13,864.14-20,793.93-4,977.63

Finding the Fourth Proportional to 13,864.14, 20,793.93 and 4,977.63

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Solution

The fourth proportional to 13,864.14, 20,793.93 and 4,977.63 is: 7,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.14 : 20,793.93 = 4,977.63 : x
  2. Step 2: Convert to fraction form
    13,864.14/20,793.93 = 4,977.63/x
  3. Step 3: Cross multiply
    13,864.14x = 20,793.93 × 4,977.63
  4. Step 4: Simplify right side
    13,864.14x = 103,504,393.14
  5. Step 5: Solve for x
    x = 103,504,393.14/13,864.14
  6. Step 6: Final answer
    x = 7,465.62

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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.