Home / 15,859.85-23,791.40-5,470.25

Finding the Fourth Proportional to 15,859.85, 23,791.40 and 5,470.25

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Solution

The fourth proportional to 15,859.85, 23,791.40 and 5,470.25 is: 8,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.85 : 23,791.40 = 5,470.25 : x
  2. Step 2: Convert to fraction form
    15,859.85/23,791.40 = 5,470.25/x
  3. Step 3: Cross multiply
    15,859.85x = 23,791.40 × 5,470.25
  4. Step 4: Simplify right side
    15,859.85x = 130,144,878.50
  5. Step 5: Solve for x
    x = 130,144,878.50/15,859.85
  6. Step 6: Final answer
    x = 8,205.93

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1.5x scale

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.