Home / 23,430.60-32,334.53-12,820.41

Finding the Fourth Proportional to 23,430.60, 32,334.53 and 12,820.41

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Solution

The fourth proportional to 23,430.60, 32,334.53 and 12,820.41 is: 17,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.60 : 32,334.53 = 12,820.41 : x
  2. Step 2: Convert to fraction form
    23,430.60/32,334.53 = 12,820.41/x
  3. Step 3: Cross multiply
    23,430.60x = 32,334.53 × 12,820.41
  4. Step 4: Simplify right side
    23,430.60x = 414,541,867.66
  5. Step 5: Solve for x
    x = 414,541,867.66/23,430.60
  6. Step 6: Final answer
    x = 17,692.33

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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.