Home / 25,654.70-35,409.38-15,047.75

Finding the Fourth Proportional to 25,654.70, 35,409.38 and 15,047.75

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Solution

The fourth proportional to 25,654.70, 35,409.38 and 15,047.75 is: 20,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.70 : 35,409.38 = 15,047.75 : x
  2. Step 2: Convert to fraction form
    25,654.70/35,409.38 = 15,047.75/x
  3. Step 3: Cross multiply
    25,654.70x = 35,409.38 × 15,047.75
  4. Step 4: Simplify right side
    25,654.70x = 532,831,320.85
  5. Step 5: Solve for x
    x = 532,831,320.85/25,654.70
  6. Step 6: Final answer
    x = 20,769.35

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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.