Home / 13,295.39-19,943.10-4,976.28

Finding the Fourth Proportional to 13,295.39, 19,943.10 and 4,976.28

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Solution

The fourth proportional to 13,295.39, 19,943.10 and 4,976.28 is: 7,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.39 : 19,943.10 = 4,976.28 : x
  2. Step 2: Convert to fraction form
    13,295.39/19,943.10 = 4,976.28/x
  3. Step 3: Cross multiply
    13,295.39x = 19,943.10 × 4,976.28
  4. Step 4: Simplify right side
    13,295.39x = 99,242,449.67
  5. Step 5: Solve for x
    x = 99,242,449.67/13,295.39
  6. Step 6: Final answer
    x = 7,464.43

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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.