Home / 25,771.03-38,657.56-12,258.95

Finding the Fourth Proportional to 25,771.03, 38,657.56 and 12,258.95

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Solution

The fourth proportional to 25,771.03, 38,657.56 and 12,258.95 is: 18,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.03 : 38,657.56 = 12,258.95 : x
  2. Step 2: Convert to fraction form
    25,771.03/38,657.56 = 12,258.95/x
  3. Step 3: Cross multiply
    25,771.03x = 38,657.56 × 12,258.95
  4. Step 4: Simplify right side
    25,771.03x = 473,901,165.14
  5. Step 5: Solve for x
    x = 473,901,165.14/25,771.03
  6. Step 6: Final answer
    x = 18,388.91

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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.