Home / 13,447.17-20,160.83-9,055.35

Finding the Fourth Proportional to 13,447.17, 20,160.83 and 9,055.35

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Solution

The fourth proportional to 13,447.17, 20,160.83 and 9,055.35 is: 13,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.17 : 20,160.83 = 9,055.35 : x
  2. Step 2: Convert to fraction form
    13,447.17/20,160.83 = 9,055.35/x
  3. Step 3: Cross multiply
    13,447.17x = 20,160.83 × 9,055.35
  4. Step 4: Simplify right side
    13,447.17x = 182,563,394.58
  5. Step 5: Solve for x
    x = 182,563,394.58/13,447.17
  6. Step 6: Final answer
    x = 13,576.34

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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.