Home / 15,860.35-23,792.15-5,470.75

Finding the Fourth Proportional to 15,860.35, 23,792.15 and 5,470.75

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Solution

The fourth proportional to 15,860.35, 23,792.15 and 5,470.75 is: 8,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.35 : 23,792.15 = 5,470.75 : x
  2. Step 2: Convert to fraction form
    15,860.35/23,792.15 = 5,470.75/x
  3. Step 3: Cross multiply
    15,860.35x = 23,792.15 × 5,470.75
  4. Step 4: Simplify right side
    15,860.35x = 130,160,877.26
  5. Step 5: Solve for x
    x = 130,160,877.26/15,860.35
  6. Step 6: Final answer
    x = 8,206.68

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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.