Home / 23,431.37-32,336.15-13,358.19

Finding the Fourth Proportional to 23,431.37, 32,336.15 and 13,358.19

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Solution

The fourth proportional to 23,431.37, 32,336.15 and 13,358.19 is: 18,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.37 : 32,336.15 = 13,358.19 : x
  2. Step 2: Convert to fraction form
    23,431.37/32,336.15 = 13,358.19/x
  3. Step 3: Cross multiply
    23,431.37x = 32,336.15 × 13,358.19
  4. Step 4: Simplify right side
    23,431.37x = 431,952,435.57
  5. Step 5: Solve for x
    x = 431,952,435.57/23,431.37
  6. Step 6: Final answer
    x = 18,434.79

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Half scale
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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.