Home / 13,417.46-20,107.44-11,432.72

Finding the Fourth Proportional to 13,417.46, 20,107.44 and 11,432.72

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Solution

The fourth proportional to 13,417.46, 20,107.44 and 11,432.72 is: 17,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.46 : 20,107.44 = 11,432.72 : x
  2. Step 2: Convert to fraction form
    13,417.46/20,107.44 = 11,432.72/x
  3. Step 3: Cross multiply
    13,417.46x = 20,107.44 × 11,432.72
  4. Step 4: Simplify right side
    13,417.46x = 229,882,731.44
  5. Step 5: Solve for x
    x = 229,882,731.44/13,417.46
  6. Step 6: Final answer
    x = 17,133.10

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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.