Home / 23,980.56-33,090.76-13,369.20

Finding the Fourth Proportional to 23,980.56, 33,090.76 and 13,369.20

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Solution

The fourth proportional to 23,980.56, 33,090.76 and 13,369.20 is: 18,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.56 : 33,090.76 = 13,369.20 : x
  2. Step 2: Convert to fraction form
    23,980.56/33,090.76 = 13,369.20/x
  3. Step 3: Cross multiply
    23,980.56x = 33,090.76 × 13,369.20
  4. Step 4: Simplify right side
    23,980.56x = 442,396,988.59
  5. Step 5: Solve for x
    x = 442,396,988.59/23,980.56
  6. Step 6: Final answer
    x = 18,448.15

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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.