Home / 15,653.28-23,458-11,250.08

Finding the Fourth Proportional to 15,653.28, 23,458 and 11,250.08

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Solution

The fourth proportional to 15,653.28, 23,458 and 11,250.08 is: 16,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.28 : 23,458 = 11,250.08 : x
  2. Step 2: Convert to fraction form
    15,653.28/23,458 = 11,250.08/x
  3. Step 3: Cross multiply
    15,653.28x = 23,458 × 11,250.08
  4. Step 4: Simplify right side
    15,653.28x = 263,904,376.64
  5. Step 5: Solve for x
    x = 263,904,376.64/15,653.28
  6. Step 6: Final answer
    x = 16,859.37

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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.