Home / 25,758.79-38,635.12-6,785.35

Finding the Fourth Proportional to 25,758.79, 38,635.12 and 6,785.35

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Solution

The fourth proportional to 25,758.79, 38,635.12 and 6,785.35 is: 10,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.79 : 38,635.12 = 6,785.35 : x
  2. Step 2: Convert to fraction form
    25,758.79/38,635.12 = 6,785.35/x
  3. Step 3: Cross multiply
    25,758.79x = 38,635.12 × 6,785.35
  4. Step 4: Simplify right side
    25,758.79x = 262,152,811.49
  5. Step 5: Solve for x
    x = 262,152,811.49/25,758.79
  6. Step 6: Final answer
    x = 10,177.22

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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.