Home / 23,309.12-32,165.44-12,698.72

Finding the Fourth Proportional to 23,309.12, 32,165.44 and 12,698.72

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Solution

The fourth proportional to 23,309.12, 32,165.44 and 12,698.72 is: 17,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,309.12 : 32,165.44 = 12,698.72 : x
  2. Step 2: Convert to fraction form
    23,309.12/32,165.44 = 12,698.72/x
  3. Step 3: Cross multiply
    23,309.12x = 32,165.44 × 12,698.72
  4. Step 4: Simplify right side
    23,309.12x = 408,459,916.24
  5. Step 5: Solve for x
    x = 408,459,916.24/23,309.12
  6. Step 6: Final answer
    x = 17,523.61

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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.