Home / 23,212.32-32,033.77-13,140.55

Finding the Fourth Proportional to 23,212.32, 32,033.77 and 13,140.55

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Solution

The fourth proportional to 23,212.32, 32,033.77 and 13,140.55 is: 18,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,212.32 : 32,033.77 = 13,140.55 : x
  2. Step 2: Convert to fraction form
    23,212.32/32,033.77 = 13,140.55/x
  3. Step 3: Cross multiply
    23,212.32x = 32,033.77 × 13,140.55
  4. Step 4: Simplify right side
    23,212.32x = 420,941,490.62
  5. Step 5: Solve for x
    x = 420,941,490.62/23,212.32
  6. Step 6: Final answer
    x = 18,134.40

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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.