Home / 22,171.78-30,595.93-12,100.14

Finding the Fourth Proportional to 22,171.78, 30,595.93 and 12,100.14

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Solution

The fourth proportional to 22,171.78, 30,595.93 and 12,100.14 is: 16,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.78 : 30,595.93 = 12,100.14 : x
  2. Step 2: Convert to fraction form
    22,171.78/30,595.93 = 12,100.14/x
  3. Step 3: Cross multiply
    22,171.78x = 30,595.93 × 12,100.14
  4. Step 4: Simplify right side
    22,171.78x = 370,214,822.95
  5. Step 5: Solve for x
    x = 370,214,822.95/22,171.78
  6. Step 6: Final answer
    x = 16,697.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.