Home / 23,812.88-32,861.76-13,203.20

Finding the Fourth Proportional to 23,812.88, 32,861.76 and 13,203.20

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Solution

The fourth proportional to 23,812.88, 32,861.76 and 13,203.20 is: 18,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,812.88 : 32,861.76 = 13,203.20 : x
  2. Step 2: Convert to fraction form
    23,812.88/32,861.76 = 13,203.20/x
  3. Step 3: Cross multiply
    23,812.88x = 32,861.76 × 13,203.20
  4. Step 4: Simplify right side
    23,812.88x = 433,880,389.63
  5. Step 5: Solve for x
    x = 433,880,389.63/23,812.88
  6. Step 6: Final answer
    x = 18,220.41

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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.