Home / 25,790.11-35,588.49-15,178.30

Finding the Fourth Proportional to 25,790.11, 35,588.49 and 15,178.30

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Solution

The fourth proportional to 25,790.11, 35,588.49 and 15,178.30 is: 20,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.11 : 35,588.49 = 15,178.30 : x
  2. Step 2: Convert to fraction form
    25,790.11/35,588.49 = 15,178.30/x
  3. Step 3: Cross multiply
    25,790.11x = 35,588.49 × 15,178.30
  4. Step 4: Simplify right side
    25,790.11x = 540,172,777.77
  5. Step 5: Solve for x
    x = 540,172,777.77/25,790.11
  6. Step 6: Final answer
    x = 20,944.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.