Home / 13,357.40-20,032.16-3,997.04

Finding the Fourth Proportional to 13,357.40, 20,032.16 and 3,997.04

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Solution

The fourth proportional to 13,357.40, 20,032.16 and 3,997.04 is: 5,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.40 : 20,032.16 = 3,997.04 : x
  2. Step 2: Convert to fraction form
    13,357.40/20,032.16 = 3,997.04/x
  3. Step 3: Cross multiply
    13,357.40x = 20,032.16 × 3,997.04
  4. Step 4: Simplify right side
    13,357.40x = 80,069,344.81
  5. Step 5: Solve for x
    x = 80,069,344.81/13,357.40
  6. Step 6: Final answer
    x = 5,994.38

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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.