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Finding the Fourth Proportional to 14,681.55, 20,250.07 and 10,367.70

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Solution

The fourth proportional to 14,681.55, 20,250.07 and 10,367.70 is: 14,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.55 : 20,250.07 = 10,367.70 : x
  2. Step 2: Convert to fraction form
    14,681.55/20,250.07 = 10,367.70/x
  3. Step 3: Cross multiply
    14,681.55x = 20,250.07 × 10,367.70
  4. Step 4: Simplify right side
    14,681.55x = 209,946,548.88
  5. Step 5: Solve for x
    x = 209,946,548.88/14,681.55
  6. Step 6: Final answer
    x = 14,300.02

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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.