Home / 13,711.12-20,548.23-9,995.96

Finding the Fourth Proportional to 13,711.12, 20,548.23 and 9,995.96

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Solution

The fourth proportional to 13,711.12, 20,548.23 and 9,995.96 is: 14,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.12 : 20,548.23 = 9,995.96 : x
  2. Step 2: Convert to fraction form
    13,711.12/20,548.23 = 9,995.96/x
  3. Step 3: Cross multiply
    13,711.12x = 20,548.23 × 9,995.96
  4. Step 4: Simplify right side
    13,711.12x = 205,399,239.68
  5. Step 5: Solve for x
    x = 205,399,239.68/13,711.12
  6. Step 6: Final answer
    x = 14,980.48

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1.5x scale

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.