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Finding the Fourth Proportional to 14,998.31, 20,694.79 and 9,030.39

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Solution

The fourth proportional to 14,998.31, 20,694.79 and 9,030.39 is: 12,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.31 : 20,694.79 = 9,030.39 : x
  2. Step 2: Convert to fraction form
    14,998.31/20,694.79 = 9,030.39/x
  3. Step 3: Cross multiply
    14,998.31x = 20,694.79 × 9,030.39
  4. Step 4: Simplify right side
    14,998.31x = 186,881,958.35
  5. Step 5: Solve for x
    x = 186,881,958.35/14,998.31
  6. Step 6: Final answer
    x = 12,460.20

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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.