Home / 13,631.64-20,447.64-4,867.08

Finding the Fourth Proportional to 13,631.64, 20,447.64 and 4,867.08

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Solution

The fourth proportional to 13,631.64, 20,447.64 and 4,867.08 is: 7,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.64 : 20,447.64 = 4,867.08 : x
  2. Step 2: Convert to fraction form
    13,631.64/20,447.64 = 4,867.08/x
  3. Step 3: Cross multiply
    13,631.64x = 20,447.64 × 4,867.08
  4. Step 4: Simplify right side
    13,631.64x = 99,520,299.69
  5. Step 5: Solve for x
    x = 99,520,299.69/13,631.64
  6. Step 6: Final answer
    x = 7,300.68

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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.