Home / 15,582.43-23,368.78-5,191.75

Finding the Fourth Proportional to 15,582.43, 23,368.78 and 5,191.75

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Solution

The fourth proportional to 15,582.43, 23,368.78 and 5,191.75 is: 7,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.43 : 23,368.78 = 5,191.75 : x
  2. Step 2: Convert to fraction form
    15,582.43/23,368.78 = 5,191.75/x
  3. Step 3: Cross multiply
    15,582.43x = 23,368.78 × 5,191.75
  4. Step 4: Simplify right side
    15,582.43x = 121,324,863.57
  5. Step 5: Solve for x
    x = 121,324,863.57/15,582.43
  6. Step 6: Final answer
    x = 7,786.00

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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.