Home / 22,668.08-31,281.32-12,596.26

Finding the Fourth Proportional to 22,668.08, 31,281.32 and 12,596.26

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Solution

The fourth proportional to 22,668.08, 31,281.32 and 12,596.26 is: 17,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.08 : 31,281.32 = 12,596.26 : x
  2. Step 2: Convert to fraction form
    22,668.08/31,281.32 = 12,596.26/x
  3. Step 3: Cross multiply
    22,668.08x = 31,281.32 × 12,596.26
  4. Step 4: Simplify right side
    22,668.08x = 394,027,639.86
  5. Step 5: Solve for x
    x = 394,027,639.86/22,668.08
  6. Step 6: Final answer
    x = 17,382.49

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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.