Home / 15,942.96-23,905.68-12,235.92

Finding the Fourth Proportional to 15,942.96, 23,905.68 and 12,235.92

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Solution

The fourth proportional to 15,942.96, 23,905.68 and 12,235.92 is: 18,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.96 : 23,905.68 = 12,235.92 : x
  2. Step 2: Convert to fraction form
    15,942.96/23,905.68 = 12,235.92/x
  3. Step 3: Cross multiply
    15,942.96x = 23,905.68 × 12,235.92
  4. Step 4: Simplify right side
    15,942.96x = 292,507,988.03
  5. Step 5: Solve for x
    x = 292,507,988.03/15,942.96
  6. Step 6: Final answer
    x = 18,347.16

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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.