Home / 25,125.96-34,679.94-15,060.36

Finding the Fourth Proportional to 25,125.96, 34,679.94 and 15,060.36

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Solution

The fourth proportional to 25,125.96, 34,679.94 and 15,060.36 is: 20,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.96 : 34,679.94 = 15,060.36 : x
  2. Step 2: Convert to fraction form
    25,125.96/34,679.94 = 15,060.36/x
  3. Step 3: Cross multiply
    25,125.96x = 34,679.94 × 15,060.36
  4. Step 4: Simplify right side
    25,125.96x = 522,292,381.18
  5. Step 5: Solve for x
    x = 522,292,381.18/25,125.96
  6. Step 6: Final answer
    x = 20,786.96

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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.