Home / 22,662.90-31,276.80-12,593.34

Finding the Fourth Proportional to 22,662.90, 31,276.80 and 12,593.34

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Solution

The fourth proportional to 22,662.90, 31,276.80 and 12,593.34 is: 17,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.90 : 31,276.80 = 12,593.34 : x
  2. Step 2: Convert to fraction form
    22,662.90/31,276.80 = 12,593.34/x
  3. Step 3: Cross multiply
    22,662.90x = 31,276.80 × 12,593.34
  4. Step 4: Simplify right side
    22,662.90x = 393,879,376.51
  5. Step 5: Solve for x
    x = 393,879,376.51/22,662.90
  6. Step 6: Final answer
    x = 17,379.92

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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.