Home / 16,400.74-22,630.94-9,327.32

Finding the Fourth Proportional to 16,400.74, 22,630.94 and 9,327.32

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Solution

The fourth proportional to 16,400.74, 22,630.94 and 9,327.32 is: 12,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.74 : 22,630.94 = 9,327.32 : x
  2. Step 2: Convert to fraction form
    16,400.74/22,630.94 = 9,327.32/x
  3. Step 3: Cross multiply
    16,400.74x = 22,630.94 × 9,327.32
  4. Step 4: Simplify right side
    16,400.74x = 211,086,019.28
  5. Step 5: Solve for x
    x = 211,086,019.28/16,400.74
  6. Step 6: Final answer
    x = 12,870.52

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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.