Home / 12,470.58-18,702.21-10,273.86

Finding the Fourth Proportional to 12,470.58, 18,702.21 and 10,273.86

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Solution

The fourth proportional to 12,470.58, 18,702.21 and 10,273.86 is: 15,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.58 : 18,702.21 = 10,273.86 : x
  2. Step 2: Convert to fraction form
    12,470.58/18,702.21 = 10,273.86/x
  3. Step 3: Cross multiply
    12,470.58x = 18,702.21 × 10,273.86
  4. Step 4: Simplify right side
    12,470.58x = 192,143,887.23
  5. Step 5: Solve for x
    x = 192,143,887.23/12,470.58
  6. Step 6: Final answer
    x = 15,407.77

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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.