Home / 25,186.24-37,779.98-11,143.28

Finding the Fourth Proportional to 25,186.24, 37,779.98 and 11,143.28

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Solution

The fourth proportional to 25,186.24, 37,779.98 and 11,143.28 is: 16,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.24 : 37,779.98 = 11,143.28 : x
  2. Step 2: Convert to fraction form
    25,186.24/37,779.98 = 11,143.28/x
  3. Step 3: Cross multiply
    25,186.24x = 37,779.98 × 11,143.28
  4. Step 4: Simplify right side
    25,186.24x = 420,992,895.53
  5. Step 5: Solve for x
    x = 420,992,895.53/25,186.24
  6. Step 6: Final answer
    x = 16,715.19

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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.