Home / 18,248.48-25,173.84-11,785.89

Finding the Fourth Proportional to 18,248.48, 25,173.84 and 11,785.89

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Solution

The fourth proportional to 18,248.48, 25,173.84 and 11,785.89 is: 16,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.48 : 25,173.84 = 11,785.89 : x
  2. Step 2: Convert to fraction form
    18,248.48/25,173.84 = 11,785.89/x
  3. Step 3: Cross multiply
    18,248.48x = 25,173.84 × 11,785.89
  4. Step 4: Simplify right side
    18,248.48x = 296,696,153.31
  5. Step 5: Solve for x
    x = 296,696,153.31/18,248.48
  6. Step 6: Final answer
    x = 16,258.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.