Home / 13,951.02-19,245.27-8,909.94

Finding the Fourth Proportional to 13,951.02, 19,245.27 and 8,909.94

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Solution

The fourth proportional to 13,951.02, 19,245.27 and 8,909.94 is: 12,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.02 : 19,245.27 = 8,909.94 : x
  2. Step 2: Convert to fraction form
    13,951.02/19,245.27 = 8,909.94/x
  3. Step 3: Cross multiply
    13,951.02x = 19,245.27 × 8,909.94
  4. Step 4: Simplify right side
    13,951.02x = 171,474,200.98
  5. Step 5: Solve for x
    x = 171,474,200.98/13,951.02
  6. Step 6: Final answer
    x = 12,291.16

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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.