Home / 17,523.36-24,120.86-15,281.28

Finding the Fourth Proportional to 17,523.36, 24,120.86 and 15,281.28

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Solution

The fourth proportional to 17,523.36, 24,120.86 and 15,281.28 is: 21,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,523.36 : 24,120.86 = 15,281.28 : x
  2. Step 2: Convert to fraction form
    17,523.36/24,120.86 = 15,281.28/x
  3. Step 3: Cross multiply
    17,523.36x = 24,120.86 × 15,281.28
  4. Step 4: Simplify right side
    17,523.36x = 368,597,539.09
  5. Step 5: Solve for x
    x = 368,597,539.09/17,523.36
  6. Step 6: Final answer
    x = 21,034.64

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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.