Home / 25,708.12-38,518.12-17,258.80

Finding the Fourth Proportional to 25,708.12, 38,518.12 and 17,258.80

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Solution

The fourth proportional to 25,708.12, 38,518.12 and 17,258.80 is: 25,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.12 : 38,518.12 = 17,258.80 : x
  2. Step 2: Convert to fraction form
    25,708.12/38,518.12 = 17,258.80/x
  3. Step 3: Cross multiply
    25,708.12x = 38,518.12 × 17,258.80
  4. Step 4: Simplify right side
    25,708.12x = 664,776,529.46
  5. Step 5: Solve for x
    x = 664,776,529.46/25,708.12
  6. Step 6: Final answer
    x = 25,858.62

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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.