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Finding the Fourth Proportional to 14,307.63, 19,754.31 and 8,938.24

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Solution

The fourth proportional to 14,307.63, 19,754.31 and 8,938.24 is: 12,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.63 : 19,754.31 = 8,938.24 : x
  2. Step 2: Convert to fraction form
    14,307.63/19,754.31 = 8,938.24/x
  3. Step 3: Cross multiply
    14,307.63x = 19,754.31 × 8,938.24
  4. Step 4: Simplify right side
    14,307.63x = 176,568,826.32
  5. Step 5: Solve for x
    x = 176,568,826.32/14,307.63
  6. Step 6: Final answer
    x = 12,340.88

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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.