Home / 15,412.51-23,119.79-5,416.04

Finding the Fourth Proportional to 15,412.51, 23,119.79 and 5,416.04

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Solution

The fourth proportional to 15,412.51, 23,119.79 and 5,416.04 is: 8,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412.51 : 23,119.79 = 5,416.04 : x
  2. Step 2: Convert to fraction form
    15,412.51/23,119.79 = 5,416.04/x
  3. Step 3: Cross multiply
    15,412.51x = 23,119.79 × 5,416.04
  4. Step 4: Simplify right side
    15,412.51x = 125,217,707.43
  5. Step 5: Solve for x
    x = 125,217,707.43/15,412.51
  6. Step 6: Final answer
    x = 8,124.42

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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.