Home / 25,579.05-38,326.85-15,697.45

Finding the Fourth Proportional to 25,579.05, 38,326.85 and 15,697.45

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Solution

The fourth proportional to 25,579.05, 38,326.85 and 15,697.45 is: 23,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.05 : 38,326.85 = 15,697.45 : x
  2. Step 2: Convert to fraction form
    25,579.05/38,326.85 = 15,697.45/x
  3. Step 3: Cross multiply
    25,579.05x = 38,326.85 × 15,697.45
  4. Step 4: Simplify right side
    25,579.05x = 601,633,811.53
  5. Step 5: Solve for x
    x = 601,633,811.53/25,579.05
  6. Step 6: Final answer
    x = 23,520.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.