Home / 13,952.04-20,922-4,091.12

Finding the Fourth Proportional to 13,952.04, 20,922 and 4,091.12

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Solution

The fourth proportional to 13,952.04, 20,922 and 4,091.12 is: 6,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.04 : 20,922 = 4,091.12 : x
  2. Step 2: Convert to fraction form
    13,952.04/20,922 = 4,091.12/x
  3. Step 3: Cross multiply
    13,952.04x = 20,922 × 4,091.12
  4. Step 4: Simplify right side
    13,952.04x = 85,594,412.64
  5. Step 5: Solve for x
    x = 85,594,412.64/13,952.04
  6. Step 6: Final answer
    x = 6,134.90

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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.