Home / 15,548.48-23,415.68-13,623.92

Finding the Fourth Proportional to 15,548.48, 23,415.68 and 13,623.92

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Solution

The fourth proportional to 15,548.48, 23,415.68 and 13,623.92 is: 20,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.48 : 23,415.68 = 13,623.92 : x
  2. Step 2: Convert to fraction form
    15,548.48/23,415.68 = 13,623.92/x
  3. Step 3: Cross multiply
    15,548.48x = 23,415.68 × 13,623.92
  4. Step 4: Simplify right side
    15,548.48x = 319,013,351.07
  5. Step 5: Solve for x
    x = 319,013,351.07/15,548.48
  6. Step 6: Final answer
    x = 20,517.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.