Home / 19,409.56-26,777.61-10,909.73

Finding the Fourth Proportional to 19,409.56, 26,777.61 and 10,909.73

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Solution

The fourth proportional to 19,409.56, 26,777.61 and 10,909.73 is: 15,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.56 : 26,777.61 = 10,909.73 : x
  2. Step 2: Convert to fraction form
    19,409.56/26,777.61 = 10,909.73/x
  3. Step 3: Cross multiply
    19,409.56x = 26,777.61 × 10,909.73
  4. Step 4: Simplify right side
    19,409.56x = 292,136,562.09
  5. Step 5: Solve for x
    x = 292,136,562.09/19,409.56
  6. Step 6: Final answer
    x = 15,051.17

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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.