Home / 19,974.24-27,563.54-11,470.40

Finding the Fourth Proportional to 19,974.24, 27,563.54 and 11,470.40

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Solution

The fourth proportional to 19,974.24, 27,563.54 and 11,470.40 is: 15,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.24 : 27,563.54 = 11,470.40 : x
  2. Step 2: Convert to fraction form
    19,974.24/27,563.54 = 11,470.40/x
  3. Step 3: Cross multiply
    19,974.24x = 27,563.54 × 11,470.40
  4. Step 4: Simplify right side
    19,974.24x = 316,164,829.22
  5. Step 5: Solve for x
    x = 316,164,829.22/19,974.24
  6. Step 6: Final answer
    x = 15,828.63

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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.