Home / 20,338.22-30,360.04-17,582.60

Finding the Fourth Proportional to 20,338.22, 30,360.04 and 17,582.60

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Solution

The fourth proportional to 20,338.22, 30,360.04 and 17,582.60 is: 26,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.22 : 30,360.04 = 17,582.60 : x
  2. Step 2: Convert to fraction form
    20,338.22/30,360.04 = 17,582.60/x
  3. Step 3: Cross multiply
    20,338.22x = 30,360.04 × 17,582.60
  4. Step 4: Simplify right side
    20,338.22x = 533,808,439.30
  5. Step 5: Solve for x
    x = 533,808,439.30/20,338.22
  6. Step 6: Final answer
    x = 26,246.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.