Home / 19,974.49-27,563.88-11,470.63

Finding the Fourth Proportional to 19,974.49, 27,563.88 and 11,470.63

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Solution

The fourth proportional to 19,974.49, 27,563.88 and 11,470.63 is: 15,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.49 : 27,563.88 = 11,470.63 : x
  2. Step 2: Convert to fraction form
    19,974.49/27,563.88 = 11,470.63/x
  3. Step 3: Cross multiply
    19,974.49x = 27,563.88 × 11,470.63
  4. Step 4: Simplify right side
    19,974.49x = 316,175,011.49
  5. Step 5: Solve for x
    x = 316,175,011.49/19,974.49
  6. Step 6: Final answer
    x = 15,828.94

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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.