Home / 19,470.27-26,864.94-12,394.11

Finding the Fourth Proportional to 19,470.27, 26,864.94 and 12,394.11

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Solution

The fourth proportional to 19,470.27, 26,864.94 and 12,394.11 is: 17,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.27 : 26,864.94 = 12,394.11 : x
  2. Step 2: Convert to fraction form
    19,470.27/26,864.94 = 12,394.11/x
  3. Step 3: Cross multiply
    19,470.27x = 26,864.94 × 12,394.11
  4. Step 4: Simplify right side
    19,470.27x = 332,967,021.50
  5. Step 5: Solve for x
    x = 332,967,021.50/19,470.27
  6. Step 6: Final answer
    x = 17,101.30

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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.