Home / 25,125.92-34,677.39-15,054.78

Finding the Fourth Proportional to 25,125.92, 34,677.39 and 15,054.78

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Solution

The fourth proportional to 25,125.92, 34,677.39 and 15,054.78 is: 20,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.92 : 34,677.39 = 15,054.78 : x
  2. Step 2: Convert to fraction form
    25,125.92/34,677.39 = 15,054.78/x
  3. Step 3: Cross multiply
    25,125.92x = 34,677.39 × 15,054.78
  4. Step 4: Simplify right side
    25,125.92x = 522,060,477.42
  5. Step 5: Solve for x
    x = 522,060,477.42/25,125.92
  6. Step 6: Final answer
    x = 20,777.77

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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.