Home / 13,628.11-20,442.15-5,732.11

Finding the Fourth Proportional to 13,628.11, 20,442.15 and 5,732.11

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Solution

The fourth proportional to 13,628.11, 20,442.15 and 5,732.11 is: 8,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.11 : 20,442.15 = 5,732.11 : x
  2. Step 2: Convert to fraction form
    13,628.11/20,442.15 = 5,732.11/x
  3. Step 3: Cross multiply
    13,628.11x = 20,442.15 × 5,732.11
  4. Step 4: Simplify right side
    13,628.11x = 117,176,652.44
  5. Step 5: Solve for x
    x = 117,176,652.44/13,628.11
  6. Step 6: Final answer
    x = 8,598.16

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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.