Home / 18,470.08-25,485.74-10,512.44

Finding the Fourth Proportional to 18,470.08, 25,485.74 and 10,512.44

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Solution

The fourth proportional to 18,470.08, 25,485.74 and 10,512.44 is: 14,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.08 : 25,485.74 = 10,512.44 : x
  2. Step 2: Convert to fraction form
    18,470.08/25,485.74 = 10,512.44/x
  3. Step 3: Cross multiply
    18,470.08x = 25,485.74 × 10,512.44
  4. Step 4: Simplify right side
    18,470.08x = 267,917,312.61
  5. Step 5: Solve for x
    x = 267,917,312.61/18,470.08
  6. Step 6: Final answer
    x = 14,505.48

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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.