Home / 43,208.48-64,814.10-13,626.58

Finding the Fourth Proportional to 43,208.48, 64,814.10 and 13,626.58

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Solution

The fourth proportional to 43,208.48, 64,814.10 and 13,626.58 is: 20,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,208.48 : 64,814.10 = 13,626.58 : x
  2. Step 2: Convert to fraction form
    43,208.48/64,814.10 = 13,626.58/x
  3. Step 3: Cross multiply
    43,208.48x = 64,814.10 × 13,626.58
  4. Step 4: Simplify right side
    43,208.48x = 883,194,518.78
  5. Step 5: Solve for x
    x = 883,194,518.78/43,208.48
  6. Step 6: Final answer
    x = 20,440.31

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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.