Home / 38,725.76-58,082.24-12,427.08

Finding the Fourth Proportional to 38,725.76, 58,082.24 and 12,427.08

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Solution

The fourth proportional to 38,725.76, 58,082.24 and 12,427.08 is: 18,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.76 : 58,082.24 = 12,427.08 : x
  2. Step 2: Convert to fraction form
    38,725.76/58,082.24 = 12,427.08/x
  3. Step 3: Cross multiply
    38,725.76x = 58,082.24 × 12,427.08
  4. Step 4: Simplify right side
    38,725.76x = 721,792,580.92
  5. Step 5: Solve for x
    x = 721,792,580.92/38,725.76
  6. Step 6: Final answer
    x = 18,638.57

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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.