Home / 13,567.82-18,704.32-9,976.46

Finding the Fourth Proportional to 13,567.82, 18,704.32 and 9,976.46

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Solution

The fourth proportional to 13,567.82, 18,704.32 and 9,976.46 is: 13,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.82 : 18,704.32 = 9,976.46 : x
  2. Step 2: Convert to fraction form
    13,567.82/18,704.32 = 9,976.46/x
  3. Step 3: Cross multiply
    13,567.82x = 18,704.32 × 9,976.46
  4. Step 4: Simplify right side
    13,567.82x = 186,602,781.84
  5. Step 5: Solve for x
    x = 186,602,781.84/13,567.82
  6. Step 6: Final answer
    x = 13,753.34

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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.