Home / 15,859.59-23,780.16-5,999.64

Finding the Fourth Proportional to 15,859.59, 23,780.16 and 5,999.64

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Solution

The fourth proportional to 15,859.59, 23,780.16 and 5,999.64 is: 8,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.59 : 23,780.16 = 5,999.64 : x
  2. Step 2: Convert to fraction form
    15,859.59/23,780.16 = 5,999.64/x
  3. Step 3: Cross multiply
    15,859.59x = 23,780.16 × 5,999.64
  4. Step 4: Simplify right side
    15,859.59x = 142,672,309.97
  5. Step 5: Solve for x
    x = 142,672,309.97/15,859.59
  6. Step 6: Final answer
    x = 8,995.97

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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.