Home / 23,525.12-32,465.12-13,455.20

Finding the Fourth Proportional to 23,525.12, 32,465.12 and 13,455.20

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Solution

The fourth proportional to 23,525.12, 32,465.12 and 13,455.20 is: 18,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,525.12 : 32,465.12 = 13,455.20 : x
  2. Step 2: Convert to fraction form
    23,525.12/32,465.12 = 13,455.20/x
  3. Step 3: Cross multiply
    23,525.12x = 32,465.12 × 13,455.20
  4. Step 4: Simplify right side
    23,525.12x = 436,824,682.62
  5. Step 5: Solve for x
    x = 436,824,682.62/23,525.12
  6. Step 6: Final answer
    x = 18,568.44

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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.