Home / 15,924.09-21,976.08-8,850.63

Finding the Fourth Proportional to 15,924.09, 21,976.08 and 8,850.63

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Solution

The fourth proportional to 15,924.09, 21,976.08 and 8,850.63 is: 12,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.09 : 21,976.08 = 8,850.63 : x
  2. Step 2: Convert to fraction form
    15,924.09/21,976.08 = 8,850.63/x
  3. Step 3: Cross multiply
    15,924.09x = 21,976.08 × 8,850.63
  4. Step 4: Simplify right side
    15,924.09x = 194,502,152.93
  5. Step 5: Solve for x
    x = 194,502,152.93/15,924.09
  6. Step 6: Final answer
    x = 12,214.33

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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.