Home / 12,606.96-18,865.88-9,267.36

Finding the Fourth Proportional to 12,606.96, 18,865.88 and 9,267.36

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Solution

The fourth proportional to 12,606.96, 18,865.88 and 9,267.36 is: 13,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.96 : 18,865.88 = 9,267.36 : x
  2. Step 2: Convert to fraction form
    12,606.96/18,865.88 = 9,267.36/x
  3. Step 3: Cross multiply
    12,606.96x = 18,865.88 × 9,267.36
  4. Step 4: Simplify right side
    12,606.96x = 174,836,901.68
  5. Step 5: Solve for x
    x = 174,836,901.68/12,606.96
  6. Step 6: Final answer
    x = 13,868.28

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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.