Home / 16,476.26-22,738.86-9,403.74

Finding the Fourth Proportional to 16,476.26, 22,738.86 and 9,403.74

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Solution

The fourth proportional to 16,476.26, 22,738.86 and 9,403.74 is: 12,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,476.26 : 22,738.86 = 9,403.74 : x
  2. Step 2: Convert to fraction form
    16,476.26/22,738.86 = 9,403.74/x
  3. Step 3: Cross multiply
    16,476.26x = 22,738.86 × 9,403.74
  4. Step 4: Simplify right side
    16,476.26x = 213,830,327.34
  5. Step 5: Solve for x
    x = 213,830,327.34/16,476.26
  6. Step 6: Final answer
    x = 12,978.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.