Home / 13,933.53-20,844.14-12,009.69

Finding the Fourth Proportional to 13,933.53, 20,844.14 and 12,009.69

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Solution

The fourth proportional to 13,933.53, 20,844.14 and 12,009.69 is: 17,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.53 : 20,844.14 = 12,009.69 : x
  2. Step 2: Convert to fraction form
    13,933.53/20,844.14 = 12,009.69/x
  3. Step 3: Cross multiply
    13,933.53x = 20,844.14 × 12,009.69
  4. Step 4: Simplify right side
    13,933.53x = 250,331,599.67
  5. Step 5: Solve for x
    x = 250,331,599.67/13,933.53
  6. Step 6: Final answer
    x = 17,966.13

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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.