Home / 18,881.04-26,051.20-11,327.92

Finding the Fourth Proportional to 18,881.04, 26,051.20 and 11,327.92

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Solution

The fourth proportional to 18,881.04, 26,051.20 and 11,327.92 is: 15,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.04 : 26,051.20 = 11,327.92 : x
  2. Step 2: Convert to fraction form
    18,881.04/26,051.20 = 11,327.92/x
  3. Step 3: Cross multiply
    18,881.04x = 26,051.20 × 11,327.92
  4. Step 4: Simplify right side
    18,881.04x = 295,105,909.50
  5. Step 5: Solve for x
    x = 295,105,909.50/18,881.04
  6. Step 6: Final answer
    x = 15,629.75

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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.