Home / 25,105.63-34,644.60-13,774.87

Finding the Fourth Proportional to 25,105.63, 34,644.60 and 13,774.87

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Solution

The fourth proportional to 25,105.63, 34,644.60 and 13,774.87 is: 19,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.63 : 34,644.60 = 13,774.87 : x
  2. Step 2: Convert to fraction form
    25,105.63/34,644.60 = 13,774.87/x
  3. Step 3: Cross multiply
    25,105.63x = 34,644.60 × 13,774.87
  4. Step 4: Simplify right side
    25,105.63x = 477,224,861.20
  5. Step 5: Solve for x
    x = 477,224,861.20/25,105.63
  6. Step 6: Final answer
    x = 19,008.68

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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.