Home / 17,909.37-26,866.96-5,426.47

Finding the Fourth Proportional to 17,909.37, 26,866.96 and 5,426.47

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Solution

The fourth proportional to 17,909.37, 26,866.96 and 5,426.47 is: 8,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.37 : 26,866.96 = 5,426.47 : x
  2. Step 2: Convert to fraction form
    17,909.37/26,866.96 = 5,426.47/x
  3. Step 3: Cross multiply
    17,909.37x = 26,866.96 × 5,426.47
  4. Step 4: Simplify right side
    17,909.37x = 145,792,752.43
  5. Step 5: Solve for x
    x = 145,792,752.43/17,909.37
  6. Step 6: Final answer
    x = 8,140.59

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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.