Home / 13,109.44-19,656.56-8,954.46

Finding the Fourth Proportional to 13,109.44, 19,656.56 and 8,954.46

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Solution

The fourth proportional to 13,109.44, 19,656.56 and 8,954.46 is: 13,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.44 : 19,656.56 = 8,954.46 : x
  2. Step 2: Convert to fraction form
    13,109.44/19,656.56 = 8,954.46/x
  3. Step 3: Cross multiply
    13,109.44x = 19,656.56 × 8,954.46
  4. Step 4: Simplify right side
    13,109.44x = 176,013,835.49
  5. Step 5: Solve for x
    x = 176,013,835.49/13,109.44
  6. Step 6: Final answer
    x = 13,426.50

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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.