Home / 23,840.32-32,899.40-13,230.04

Finding the Fourth Proportional to 23,840.32, 32,899.40 and 13,230.04

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Solution

The fourth proportional to 23,840.32, 32,899.40 and 13,230.04 is: 18,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,840.32 : 32,899.40 = 13,230.04 : x
  2. Step 2: Convert to fraction form
    23,840.32/32,899.40 = 13,230.04/x
  3. Step 3: Cross multiply
    23,840.32x = 32,899.40 × 13,230.04
  4. Step 4: Simplify right side
    23,840.32x = 435,260,377.98
  5. Step 5: Solve for x
    x = 435,260,377.98/23,840.32
  6. Step 6: Final answer
    x = 18,257.32

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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.