Home / 13,432.14-20,155.32-9,764.64

Finding the Fourth Proportional to 13,432.14, 20,155.32 and 9,764.64

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Solution

The fourth proportional to 13,432.14, 20,155.32 and 9,764.64 is: 14,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.14 : 20,155.32 = 9,764.64 : x
  2. Step 2: Convert to fraction form
    13,432.14/20,155.32 = 9,764.64/x
  3. Step 3: Cross multiply
    13,432.14x = 20,155.32 × 9,764.64
  4. Step 4: Simplify right side
    13,432.14x = 196,809,443.88
  5. Step 5: Solve for x
    x = 196,809,443.88/13,432.14
  6. Step 6: Final answer
    x = 14,652.13

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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.