Home / 25,144.48-34,697.70-13,811.76

Finding the Fourth Proportional to 25,144.48, 34,697.70 and 13,811.76

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Solution

The fourth proportional to 25,144.48, 34,697.70 and 13,811.76 is: 19,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.48 : 34,697.70 = 13,811.76 : x
  2. Step 2: Convert to fraction form
    25,144.48/34,697.70 = 13,811.76/x
  3. Step 3: Cross multiply
    25,144.48x = 34,697.70 × 13,811.76
  4. Step 4: Simplify right side
    25,144.48x = 479,236,304.95
  5. Step 5: Solve for x
    x = 479,236,304.95/25,144.48
  6. Step 6: Final answer
    x = 19,059.30

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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.