Home / 14,278.32-21,408.40-5,964.08

Finding the Fourth Proportional to 14,278.32, 21,408.40 and 5,964.08

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Solution

The fourth proportional to 14,278.32, 21,408.40 and 5,964.08 is: 8,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.32 : 21,408.40 = 5,964.08 : x
  2. Step 2: Convert to fraction form
    14,278.32/21,408.40 = 5,964.08/x
  3. Step 3: Cross multiply
    14,278.32x = 21,408.40 × 5,964.08
  4. Step 4: Simplify right side
    14,278.32x = 127,681,410.27
  5. Step 5: Solve for x
    x = 127,681,410.27/14,278.32
  6. Step 6: Final answer
    x = 8,942.33

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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.