Home / 19,966.35-27,541.35-12,793.85

Finding the Fourth Proportional to 19,966.35, 27,541.35 and 12,793.85

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Solution

The fourth proportional to 19,966.35, 27,541.35 and 12,793.85 is: 17,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.35 : 27,541.35 = 12,793.85 : x
  2. Step 2: Convert to fraction form
    19,966.35/27,541.35 = 12,793.85/x
  3. Step 3: Cross multiply
    19,966.35x = 27,541.35 × 12,793.85
  4. Step 4: Simplify right side
    19,966.35x = 352,359,866.27
  5. Step 5: Solve for x
    x = 352,359,866.27/19,966.35
  6. Step 6: Final answer
    x = 17,647.69

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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.