Home / 30,172.39-45,262.56-11,194.44

Finding the Fourth Proportional to 30,172.39, 45,262.56 and 11,194.44

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Solution

The fourth proportional to 30,172.39, 45,262.56 and 11,194.44 is: 16,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172.39 : 45,262.56 = 11,194.44 : x
  2. Step 2: Convert to fraction form
    30,172.39/45,262.56 = 11,194.44/x
  3. Step 3: Cross multiply
    30,172.39x = 45,262.56 × 11,194.44
  4. Step 4: Simplify right side
    30,172.39x = 506,688,970.19
  5. Step 5: Solve for x
    x = 506,688,970.19/30,172.39
  6. Step 6: Final answer
    x = 16,793.13

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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.