Home / 23,782.92-32,820-13,172.52

Finding the Fourth Proportional to 23,782.92, 32,820 and 13,172.52

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Solution

The fourth proportional to 23,782.92, 32,820 and 13,172.52 is: 18,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782.92 : 32,820 = 13,172.52 : x
  2. Step 2: Convert to fraction form
    23,782.92/32,820 = 13,172.52/x
  3. Step 3: Cross multiply
    23,782.92x = 32,820 × 13,172.52
  4. Step 4: Simplify right side
    23,782.92x = 432,322,106.40
  5. Step 5: Solve for x
    x = 432,322,106.40/23,782.92
  6. Step 6: Final answer
    x = 18,177.84

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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.