Home / 23,457.71-32,370.37-12,845.30

Finding the Fourth Proportional to 23,457.71, 32,370.37 and 12,845.30

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Solution

The fourth proportional to 23,457.71, 32,370.37 and 12,845.30 is: 17,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,457.71 : 32,370.37 = 12,845.30 : x
  2. Step 2: Convert to fraction form
    23,457.71/32,370.37 = 12,845.30/x
  3. Step 3: Cross multiply
    23,457.71x = 32,370.37 × 12,845.30
  4. Step 4: Simplify right side
    23,457.71x = 415,806,919.80
  5. Step 5: Solve for x
    x = 415,806,919.80/23,457.71
  6. Step 6: Final answer
    x = 17,725.81

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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.