Home / 14,810.56-20,429.04-8,837.64

Finding the Fourth Proportional to 14,810.56, 20,429.04 and 8,837.64

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Solution

The fourth proportional to 14,810.56, 20,429.04 and 8,837.64 is: 12,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.56 : 20,429.04 = 8,837.64 : x
  2. Step 2: Convert to fraction form
    14,810.56/20,429.04 = 8,837.64/x
  3. Step 3: Cross multiply
    14,810.56x = 20,429.04 × 8,837.64
  4. Step 4: Simplify right side
    14,810.56x = 180,544,501.07
  5. Step 5: Solve for x
    x = 180,544,501.07/14,810.56
  6. Step 6: Final answer
    x = 12,190.25

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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.