Home / 17,954.03-24,782.96-12,921.23

Finding the Fourth Proportional to 17,954.03, 24,782.96 and 12,921.23

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Solution

The fourth proportional to 17,954.03, 24,782.96 and 12,921.23 is: 17,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.03 : 24,782.96 = 12,921.23 : x
  2. Step 2: Convert to fraction form
    17,954.03/24,782.96 = 12,921.23/x
  3. Step 3: Cross multiply
    17,954.03x = 24,782.96 × 12,921.23
  4. Step 4: Simplify right side
    17,954.03x = 320,226,261.63
  5. Step 5: Solve for x
    x = 320,226,261.63/17,954.03
  6. Step 6: Final answer
    x = 17,835.90

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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.