Home / 22,004.40-32,970.15-18,723.90

Finding the Fourth Proportional to 22,004.40, 32,970.15 and 18,723.90

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Solution

The fourth proportional to 22,004.40, 32,970.15 and 18,723.90 is: 28,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.40 : 32,970.15 = 18,723.90 : x
  2. Step 2: Convert to fraction form
    22,004.40/32,970.15 = 18,723.90/x
  3. Step 3: Cross multiply
    22,004.40x = 32,970.15 × 18,723.90
  4. Step 4: Simplify right side
    22,004.40x = 617,329,791.59
  5. Step 5: Solve for x
    x = 617,329,791.59/22,004.40
  6. Step 6: Final answer
    x = 28,054.83

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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.