Home / 25,725.93-38,528.41-12,536.97

Finding the Fourth Proportional to 25,725.93, 38,528.41 and 12,536.97

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Solution

The fourth proportional to 25,725.93, 38,528.41 and 12,536.97 is: 18,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.93 : 38,528.41 = 12,536.97 : x
  2. Step 2: Convert to fraction form
    25,725.93/38,528.41 = 12,536.97/x
  3. Step 3: Cross multiply
    25,725.93x = 38,528.41 × 12,536.97
  4. Step 4: Simplify right side
    25,725.93x = 483,029,520.32
  5. Step 5: Solve for x
    x = 483,029,520.32/25,725.93
  6. Step 6: Final answer
    x = 18,775.98

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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.