Home / 13,730.64-20,583.63-6,331.32

Finding the Fourth Proportional to 13,730.64, 20,583.63 and 6,331.32

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Solution

The fourth proportional to 13,730.64, 20,583.63 and 6,331.32 is: 9,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.64 : 20,583.63 = 6,331.32 : x
  2. Step 2: Convert to fraction form
    13,730.64/20,583.63 = 6,331.32/x
  3. Step 3: Cross multiply
    13,730.64x = 20,583.63 × 6,331.32
  4. Step 4: Simplify right side
    13,730.64x = 130,321,548.29
  5. Step 5: Solve for x
    x = 130,321,548.29/13,730.64
  6. Step 6: Final answer
    x = 9,491.29

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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.