Home / 23,871.78-32,942.40-13,261.14

Finding the Fourth Proportional to 23,871.78, 32,942.40 and 13,261.14

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Solution

The fourth proportional to 23,871.78, 32,942.40 and 13,261.14 is: 18,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,871.78 : 32,942.40 = 13,261.14 : x
  2. Step 2: Convert to fraction form
    23,871.78/32,942.40 = 13,261.14/x
  3. Step 3: Cross multiply
    23,871.78x = 32,942.40 × 13,261.14
  4. Step 4: Simplify right side
    23,871.78x = 436,853,778.34
  5. Step 5: Solve for x
    x = 436,853,778.34/23,871.78
  6. Step 6: Final answer
    x = 18,300.01

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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.