Home / 20,634.66-30,985.83-19,582.92

Finding the Fourth Proportional to 20,634.66, 30,985.83 and 19,582.92

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Solution

The fourth proportional to 20,634.66, 30,985.83 and 19,582.92 is: 29,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.66 : 30,985.83 = 19,582.92 : x
  2. Step 2: Convert to fraction form
    20,634.66/30,985.83 = 19,582.92/x
  3. Step 3: Cross multiply
    20,634.66x = 30,985.83 × 19,582.92
  4. Step 4: Simplify right side
    20,634.66x = 606,793,030.02
  5. Step 5: Solve for x
    x = 606,793,030.02/20,634.66
  6. Step 6: Final answer
    x = 29,406.50

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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.