Home / 15,933.15-23,899.72-7,587.87

Finding the Fourth Proportional to 15,933.15, 23,899.72 and 7,587.87

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Solution

The fourth proportional to 15,933.15, 23,899.72 and 7,587.87 is: 11,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.15 : 23,899.72 = 7,587.87 : x
  2. Step 2: Convert to fraction form
    15,933.15/23,899.72 = 7,587.87/x
  3. Step 3: Cross multiply
    15,933.15x = 23,899.72 × 7,587.87
  4. Step 4: Simplify right side
    15,933.15x = 181,347,859.80
  5. Step 5: Solve for x
    x = 181,347,859.80/15,933.15
  6. Step 6: Final answer
    x = 11,381.80

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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.