Home / 23,782.68-32,820.12-13,172.49

Finding the Fourth Proportional to 23,782.68, 32,820.12 and 13,172.49

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Solution

The fourth proportional to 23,782.68, 32,820.12 and 13,172.49 is: 18,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782.68 : 32,820.12 = 13,172.49 : x
  2. Step 2: Convert to fraction form
    23,782.68/32,820.12 = 13,172.49/x
  3. Step 3: Cross multiply
    23,782.68x = 32,820.12 × 13,172.49
  4. Step 4: Simplify right side
    23,782.68x = 432,322,702.50
  5. Step 5: Solve for x
    x = 432,322,702.50/23,782.68
  6. Step 6: Final answer
    x = 18,178.05

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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.