Home / 22,133.40-33,199.96-8,985.64

Finding the Fourth Proportional to 22,133.40, 33,199.96 and 8,985.64

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Solution

The fourth proportional to 22,133.40, 33,199.96 and 8,985.64 is: 13,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.40 : 33,199.96 = 8,985.64 : x
  2. Step 2: Convert to fraction form
    22,133.40/33,199.96 = 8,985.64/x
  3. Step 3: Cross multiply
    22,133.40x = 33,199.96 × 8,985.64
  4. Step 4: Simplify right side
    22,133.40x = 298,322,888.57
  5. Step 5: Solve for x
    x = 298,322,888.57/22,133.40
  6. Step 6: Final answer
    x = 13,478.40

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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.