Home / 14,405.31-19,857.56-11,256.03

Finding the Fourth Proportional to 14,405.31, 19,857.56 and 11,256.03

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Solution

The fourth proportional to 14,405.31, 19,857.56 and 11,256.03 is: 15,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.31 : 19,857.56 = 11,256.03 : x
  2. Step 2: Convert to fraction form
    14,405.31/19,857.56 = 11,256.03/x
  3. Step 3: Cross multiply
    14,405.31x = 19,857.56 × 11,256.03
  4. Step 4: Simplify right side
    14,405.31x = 223,517,234.81
  5. Step 5: Solve for x
    x = 223,517,234.81/14,405.31
  6. Step 6: Final answer
    x = 15,516.31

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1.5x scale

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.