Home / 17,925.78-24,702.32-15,093.60

Finding the Fourth Proportional to 17,925.78, 24,702.32 and 15,093.60

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Solution

The fourth proportional to 17,925.78, 24,702.32 and 15,093.60 is: 20,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.78 : 24,702.32 = 15,093.60 : x
  2. Step 2: Convert to fraction form
    17,925.78/24,702.32 = 15,093.60/x
  3. Step 3: Cross multiply
    17,925.78x = 24,702.32 × 15,093.60
  4. Step 4: Simplify right side
    17,925.78x = 372,846,937.15
  5. Step 5: Solve for x
    x = 372,846,937.15/17,925.78
  6. Step 6: Final answer
    x = 20,799.48

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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.