Home / 15,381.25-23,074.91-5,521.26

Finding the Fourth Proportional to 15,381.25, 23,074.91 and 5,521.26

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Solution

The fourth proportional to 15,381.25, 23,074.91 and 5,521.26 is: 8,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.25 : 23,074.91 = 5,521.26 : x
  2. Step 2: Convert to fraction form
    15,381.25/23,074.91 = 5,521.26/x
  3. Step 3: Cross multiply
    15,381.25x = 23,074.91 × 5,521.26
  4. Step 4: Simplify right side
    15,381.25x = 127,402,577.59
  5. Step 5: Solve for x
    x = 127,402,577.59/15,381.25
  6. Step 6: Final answer
    x = 8,282.98

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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.