Home / 20,141.50-27,805.30-12,592.02

Finding the Fourth Proportional to 20,141.50, 27,805.30 and 12,592.02

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Solution

The fourth proportional to 20,141.50, 27,805.30 and 12,592.02 is: 17,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.50 : 27,805.30 = 12,592.02 : x
  2. Step 2: Convert to fraction form
    20,141.50/27,805.30 = 12,592.02/x
  3. Step 3: Cross multiply
    20,141.50x = 27,805.30 × 12,592.02
  4. Step 4: Simplify right side
    20,141.50x = 350,124,893.71
  5. Step 5: Solve for x
    x = 350,124,893.71/20,141.50
  6. Step 6: Final answer
    x = 17,383.26

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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.