Home / 19,478.85-29,199.78-6,322.02

Finding the Fourth Proportional to 19,478.85, 29,199.78 and 6,322.02

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Solution

The fourth proportional to 19,478.85, 29,199.78 and 6,322.02 is: 9,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.85 : 29,199.78 = 6,322.02 : x
  2. Step 2: Convert to fraction form
    19,478.85/29,199.78 = 6,322.02/x
  3. Step 3: Cross multiply
    19,478.85x = 29,199.78 × 6,322.02
  4. Step 4: Simplify right side
    19,478.85x = 184,601,593.16
  5. Step 5: Solve for x
    x = 184,601,593.16/19,478.85
  6. Step 6: Final answer
    x = 9,477.03

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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.