Home / 43,208.48-64,814.12-13,626.60

Finding the Fourth Proportional to 43,208.48, 64,814.12 and 13,626.60

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Solution

The fourth proportional to 43,208.48, 64,814.12 and 13,626.60 is: 20,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,208.48 : 64,814.12 = 13,626.60 : x
  2. Step 2: Convert to fraction form
    43,208.48/64,814.12 = 13,626.60/x
  3. Step 3: Cross multiply
    43,208.48x = 64,814.12 × 13,626.60
  4. Step 4: Simplify right side
    43,208.48x = 883,196,087.59
  5. Step 5: Solve for x
    x = 883,196,087.59/43,208.48
  6. Step 6: Final answer
    x = 20,440.34

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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.