Home / 19,824.70-27,342.21-17,429.59

Finding the Fourth Proportional to 19,824.70, 27,342.21 and 17,429.59

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Solution

The fourth proportional to 19,824.70, 27,342.21 and 17,429.59 is: 24,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.70 : 27,342.21 = 17,429.59 : x
  2. Step 2: Convert to fraction form
    19,824.70/27,342.21 = 17,429.59/x
  3. Step 3: Cross multiply
    19,824.70x = 27,342.21 × 17,429.59
  4. Step 4: Simplify right side
    19,824.70x = 476,563,549.94
  5. Step 5: Solve for x
    x = 476,563,549.94/19,824.70
  6. Step 6: Final answer
    x = 24,038.88

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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.