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Finding the Fourth Proportional to 19,598.13, 27,049.80 and 12,051

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Solution

The fourth proportional to 19,598.13, 27,049.80 and 12,051 is: 16,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.13 : 27,049.80 = 12,051 : x
  2. Step 2: Convert to fraction form
    19,598.13/27,049.80 = 12,051/x
  3. Step 3: Cross multiply
    19,598.13x = 27,049.80 × 12,051
  4. Step 4: Simplify right side
    19,598.13x = 325,977,139.80
  5. Step 5: Solve for x
    x = 325,977,139.80/19,598.13
  6. Step 6: Final answer
    x = 16,633.07

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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.