Home / 19,972.74-27,563.64-11,477.58

Finding the Fourth Proportional to 19,972.74, 27,563.64 and 11,477.58

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Solution

The fourth proportional to 19,972.74, 27,563.64 and 11,477.58 is: 15,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.74 : 27,563.64 = 11,477.58 : x
  2. Step 2: Convert to fraction form
    19,972.74/27,563.64 = 11,477.58/x
  3. Step 3: Cross multiply
    19,972.74x = 27,563.64 × 11,477.58
  4. Step 4: Simplify right side
    19,972.74x = 316,363,883.19
  5. Step 5: Solve for x
    x = 316,363,883.19/19,972.74
  6. Step 6: Final answer
    x = 15,839.78

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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.