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Finding the Fourth Proportional to 14,657, 20,226.90 and 10,472.36

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Solution

The fourth proportional to 14,657, 20,226.90 and 10,472.36 is: 14,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657 : 20,226.90 = 10,472.36 : x
  2. Step 2: Convert to fraction form
    14,657/20,226.90 = 10,472.36/x
  3. Step 3: Cross multiply
    14,657x = 20,226.90 × 10,472.36
  4. Step 4: Simplify right side
    14,657x = 211,823,378.48
  5. Step 5: Solve for x
    x = 211,823,378.48/14,657
  6. Step 6: Final answer
    x = 14,452.03

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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.