Home / 13,328.28-19,995.48-4,563.18

Finding the Fourth Proportional to 13,328.28, 19,995.48 and 4,563.18

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Solution

The fourth proportional to 13,328.28, 19,995.48 and 4,563.18 is: 6,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.28 : 19,995.48 = 4,563.18 : x
  2. Step 2: Convert to fraction form
    13,328.28/19,995.48 = 4,563.18/x
  3. Step 3: Cross multiply
    13,328.28x = 19,995.48 × 4,563.18
  4. Step 4: Simplify right side
    13,328.28x = 91,242,974.43
  5. Step 5: Solve for x
    x = 91,242,974.43/13,328.28
  6. Step 6: Final answer
    x = 6,845.82

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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.