Home / 14,743.49-20,346.87-11,103.01

Finding the Fourth Proportional to 14,743.49, 20,346.87 and 11,103.01

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Solution

The fourth proportional to 14,743.49, 20,346.87 and 11,103.01 is: 15,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.49 : 20,346.87 = 11,103.01 : x
  2. Step 2: Convert to fraction form
    14,743.49/20,346.87 = 11,103.01/x
  3. Step 3: Cross multiply
    14,743.49x = 20,346.87 × 11,103.01
  4. Step 4: Simplify right side
    14,743.49x = 225,911,542.54
  5. Step 5: Solve for x
    x = 225,911,542.54/14,743.49
  6. Step 6: Final answer
    x = 15,322.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.