Home / 15,858.95-23,791.16-5,329.98

Finding the Fourth Proportional to 15,858.95, 23,791.16 and 5,329.98

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Solution

The fourth proportional to 15,858.95, 23,791.16 and 5,329.98 is: 7,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.95 : 23,791.16 = 5,329.98 : x
  2. Step 2: Convert to fraction form
    15,858.95/23,791.16 = 5,329.98/x
  3. Step 3: Cross multiply
    15,858.95x = 23,791.16 × 5,329.98
  4. Step 4: Simplify right side
    15,858.95x = 126,806,380.33
  5. Step 5: Solve for x
    x = 126,806,380.33/15,858.95
  6. Step 6: Final answer
    x = 7,995.89

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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.