Home / 14,741.80-22,112.70-4,881.40

Finding the Fourth Proportional to 14,741.80, 22,112.70 and 4,881.40

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Solution

The fourth proportional to 14,741.80, 22,112.70 and 4,881.40 is: 7,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.80 : 22,112.70 = 4,881.40 : x
  2. Step 2: Convert to fraction form
    14,741.80/22,112.70 = 4,881.40/x
  3. Step 3: Cross multiply
    14,741.80x = 22,112.70 × 4,881.40
  4. Step 4: Simplify right side
    14,741.80x = 107,940,933.78
  5. Step 5: Solve for x
    x = 107,940,933.78/14,741.80
  6. Step 6: Final answer
    x = 7,322.10

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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.