Home / 13,392.88-18,464.60-10,994.08

Finding the Fourth Proportional to 13,392.88, 18,464.60 and 10,994.08

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Solution

The fourth proportional to 13,392.88, 18,464.60 and 10,994.08 is: 15,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.88 : 18,464.60 = 10,994.08 : x
  2. Step 2: Convert to fraction form
    13,392.88/18,464.60 = 10,994.08/x
  3. Step 3: Cross multiply
    13,392.88x = 18,464.60 × 10,994.08
  4. Step 4: Simplify right side
    13,392.88x = 203,001,289.57
  5. Step 5: Solve for x
    x = 203,001,289.57/13,392.88
  6. Step 6: Final answer
    x = 15,157.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.