Home / 43,496.36-65,254.76-13,509.07

Finding the Fourth Proportional to 43,496.36, 65,254.76 and 13,509.07

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Solution

The fourth proportional to 43,496.36, 65,254.76 and 13,509.07 is: 20,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,496.36 : 65,254.76 = 13,509.07 : x
  2. Step 2: Convert to fraction form
    43,496.36/65,254.76 = 13,509.07/x
  3. Step 3: Cross multiply
    43,496.36x = 65,254.76 × 13,509.07
  4. Step 4: Simplify right side
    43,496.36x = 881,531,120.67
  5. Step 5: Solve for x
    x = 881,531,120.67/43,496.36
  6. Step 6: Final answer
    x = 20,266.78

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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.