Home / 20,354.07-30,562.10-19,351.70

Finding the Fourth Proportional to 20,354.07, 30,562.10 and 19,351.70

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Solution

The fourth proportional to 20,354.07, 30,562.10 and 19,351.70 is: 29,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.07 : 30,562.10 = 19,351.70 : x
  2. Step 2: Convert to fraction form
    20,354.07/30,562.10 = 19,351.70/x
  3. Step 3: Cross multiply
    20,354.07x = 30,562.10 × 19,351.70
  4. Step 4: Simplify right side
    20,354.07x = 591,428,341.00
  5. Step 5: Solve for x
    x = 591,428,341.00/20,354.07
  6. Step 6: Final answer
    x = 29,057.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.