Home / 13,743.48-20,616.71-4,976.45

Finding the Fourth Proportional to 13,743.48, 20,616.71 and 4,976.45

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Solution

The fourth proportional to 13,743.48, 20,616.71 and 4,976.45 is: 7,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.48 : 20,616.71 = 4,976.45 : x
  2. Step 2: Convert to fraction form
    13,743.48/20,616.71 = 4,976.45/x
  3. Step 3: Cross multiply
    13,743.48x = 20,616.71 × 4,976.45
  4. Step 4: Simplify right side
    13,743.48x = 102,597,898.51
  5. Step 5: Solve for x
    x = 102,597,898.51/13,743.48
  6. Step 6: Final answer
    x = 7,465.21

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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.