Home / 25,725.87-38,588.40-8,195.58

Finding the Fourth Proportional to 25,725.87, 38,588.40 and 8,195.58

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Solution

The fourth proportional to 25,725.87, 38,588.40 and 8,195.58 is: 12,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.87 : 38,588.40 = 8,195.58 : x
  2. Step 2: Convert to fraction form
    25,725.87/38,588.40 = 8,195.58/x
  3. Step 3: Cross multiply
    25,725.87x = 38,588.40 × 8,195.58
  4. Step 4: Simplify right side
    25,725.87x = 316,254,319.27
  5. Step 5: Solve for x
    x = 316,254,319.27/25,725.87
  6. Step 6: Final answer
    x = 12,293.24

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Double scale
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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.