Home / 25,783.56-35,579.52-15,170.94

Finding the Fourth Proportional to 25,783.56, 35,579.52 and 15,170.94

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Solution

The fourth proportional to 25,783.56, 35,579.52 and 15,170.94 is: 20,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.56 : 35,579.52 = 15,170.94 : x
  2. Step 2: Convert to fraction form
    25,783.56/35,579.52 = 15,170.94/x
  3. Step 3: Cross multiply
    25,783.56x = 35,579.52 × 15,170.94
  4. Step 4: Simplify right side
    25,783.56x = 539,774,763.15
  5. Step 5: Solve for x
    x = 539,774,763.15/25,783.56
  6. Step 6: Final answer
    x = 20,934.84

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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.