Home / 17,980.24-24,815.16-10,905.52

Finding the Fourth Proportional to 17,980.24, 24,815.16 and 10,905.52

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Solution

The fourth proportional to 17,980.24, 24,815.16 and 10,905.52 is: 15,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.24 : 24,815.16 = 10,905.52 : x
  2. Step 2: Convert to fraction form
    17,980.24/24,815.16 = 10,905.52/x
  3. Step 3: Cross multiply
    17,980.24x = 24,815.16 × 10,905.52
  4. Step 4: Simplify right side
    17,980.24x = 270,622,223.68
  5. Step 5: Solve for x
    x = 270,622,223.68/17,980.24
  6. Step 6: Final answer
    x = 15,051.09

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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.