Home / 19,885.36-27,392.78-17,043.62

Finding the Fourth Proportional to 19,885.36, 27,392.78 and 17,043.62

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Solution

The fourth proportional to 19,885.36, 27,392.78 and 17,043.62 is: 23,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.36 : 27,392.78 = 17,043.62 : x
  2. Step 2: Convert to fraction form
    19,885.36/27,392.78 = 17,043.62/x
  3. Step 3: Cross multiply
    19,885.36x = 27,392.78 × 17,043.62
  4. Step 4: Simplify right side
    19,885.36x = 466,872,133.06
  5. Step 5: Solve for x
    x = 466,872,133.06/19,885.36
  6. Step 6: Final answer
    x = 23,478.18

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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.