Home / 19,979.68-27,574.50-12,026.20

Finding the Fourth Proportional to 19,979.68, 27,574.50 and 12,026.20

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Solution

The fourth proportional to 19,979.68, 27,574.50 and 12,026.20 is: 16,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.68 : 27,574.50 = 12,026.20 : x
  2. Step 2: Convert to fraction form
    19,979.68/27,574.50 = 12,026.20/x
  3. Step 3: Cross multiply
    19,979.68x = 27,574.50 × 12,026.20
  4. Step 4: Simplify right side
    19,979.68x = 331,616,451.90
  5. Step 5: Solve for x
    x = 331,616,451.90/19,979.68
  6. Step 6: Final answer
    x = 16,597.69

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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.