Home / 25,725.18-38,587.78-16,958.05

Finding the Fourth Proportional to 25,725.18, 38,587.78 and 16,958.05

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Solution

The fourth proportional to 25,725.18, 38,587.78 and 16,958.05 is: 25,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.18 : 38,587.78 = 16,958.05 : x
  2. Step 2: Convert to fraction form
    25,725.18/38,587.78 = 16,958.05/x
  3. Step 3: Cross multiply
    25,725.18x = 38,587.78 × 16,958.05
  4. Step 4: Simplify right side
    25,725.18x = 654,373,331.97
  5. Step 5: Solve for x
    x = 654,373,331.97/25,725.18
  6. Step 6: Final answer
    x = 25,437.07

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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.