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Finding the Fourth Proportional to 14,495.73, 20,013.86 and 9,053.09

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Solution

The fourth proportional to 14,495.73, 20,013.86 and 9,053.09 is: 12,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.73 : 20,013.86 = 9,053.09 : x
  2. Step 2: Convert to fraction form
    14,495.73/20,013.86 = 9,053.09/x
  3. Step 3: Cross multiply
    14,495.73x = 20,013.86 × 9,053.09
  4. Step 4: Simplify right side
    14,495.73x = 181,187,303.23
  5. Step 5: Solve for x
    x = 181,187,303.23/14,495.73
  6. Step 6: Final answer
    x = 12,499.35

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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.