Home / 20,043.54-27,643.17-15,019.62

Finding the Fourth Proportional to 20,043.54, 27,643.17 and 15,019.62

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Solution

The fourth proportional to 20,043.54, 27,643.17 and 15,019.62 is: 20,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.54 : 27,643.17 = 15,019.62 : x
  2. Step 2: Convert to fraction form
    20,043.54/27,643.17 = 15,019.62/x
  3. Step 3: Cross multiply
    20,043.54x = 27,643.17 × 15,019.62
  4. Step 4: Simplify right side
    20,043.54x = 415,189,909.00
  5. Step 5: Solve for x
    x = 415,189,909.00/20,043.54
  6. Step 6: Final answer
    x = 20,714.40

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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.