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Finding the Fourth Proportional to 14,729.58, 20,334.11 and 10,038.47

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Solution

The fourth proportional to 14,729.58, 20,334.11 and 10,038.47 is: 13,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.58 : 20,334.11 = 10,038.47 : x
  2. Step 2: Convert to fraction form
    14,729.58/20,334.11 = 10,038.47/x
  3. Step 3: Cross multiply
    14,729.58x = 20,334.11 × 10,038.47
  4. Step 4: Simplify right side
    14,729.58x = 204,123,201.35
  5. Step 5: Solve for x
    x = 204,123,201.35/14,729.58
  6. Step 6: Final answer
    x = 13,858.05

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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.