Home / 13,296.96-19,956.24-12,772.08

Finding the Fourth Proportional to 13,296.96, 19,956.24 and 12,772.08

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Solution

The fourth proportional to 13,296.96, 19,956.24 and 12,772.08 is: 19,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.96 : 19,956.24 = 12,772.08 : x
  2. Step 2: Convert to fraction form
    13,296.96/19,956.24 = 12,772.08/x
  3. Step 3: Cross multiply
    13,296.96x = 19,956.24 × 12,772.08
  4. Step 4: Simplify right side
    13,296.96x = 254,882,693.78
  5. Step 5: Solve for x
    x = 254,882,693.78/13,296.96
  6. Step 6: Final answer
    x = 19,168.49

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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.