Home / 43,728.09-65,592.54-12,563.34

Finding the Fourth Proportional to 43,728.09, 65,592.54 and 12,563.34

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Solution

The fourth proportional to 43,728.09, 65,592.54 and 12,563.34 is: 18,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.09 : 65,592.54 = 12,563.34 : x
  2. Step 2: Convert to fraction form
    43,728.09/65,592.54 = 12,563.34/x
  3. Step 3: Cross multiply
    43,728.09x = 65,592.54 × 12,563.34
  4. Step 4: Simplify right side
    43,728.09x = 824,061,381.48
  5. Step 5: Solve for x
    x = 824,061,381.48/43,728.09
  6. Step 6: Final answer
    x = 18,845.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.