Home / 23,486.21-32,392.14-20,647.55

Finding the Fourth Proportional to 23,486.21, 32,392.14 and 20,647.55

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Solution

The fourth proportional to 23,486.21, 32,392.14 and 20,647.55 is: 28,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,486.21 : 32,392.14 = 20,647.55 : x
  2. Step 2: Convert to fraction form
    23,486.21/32,392.14 = 20,647.55/x
  3. Step 3: Cross multiply
    23,486.21x = 32,392.14 × 20,647.55
  4. Step 4: Simplify right side
    23,486.21x = 668,818,168.30
  5. Step 5: Solve for x
    x = 668,818,168.30/23,486.21
  6. Step 6: Final answer
    x = 28,477.06

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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.