Home / 19,331.23-26,677.10-11,777.56

Finding the Fourth Proportional to 19,331.23, 26,677.10 and 11,777.56

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Solution

The fourth proportional to 19,331.23, 26,677.10 and 11,777.56 is: 16,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.23 : 26,677.10 = 11,777.56 : x
  2. Step 2: Convert to fraction form
    19,331.23/26,677.10 = 11,777.56/x
  3. Step 3: Cross multiply
    19,331.23x = 26,677.10 × 11,777.56
  4. Step 4: Simplify right side
    19,331.23x = 314,191,145.88
  5. Step 5: Solve for x
    x = 314,191,145.88/19,331.23
  6. Step 6: Final answer
    x = 16,253.03

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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.