Home / 18,877.83-26,056.89-11,709.93

Finding the Fourth Proportional to 18,877.83, 26,056.89 and 11,709.93

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Solution

The fourth proportional to 18,877.83, 26,056.89 and 11,709.93 is: 16,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.83 : 26,056.89 = 11,709.93 : x
  2. Step 2: Convert to fraction form
    18,877.83/26,056.89 = 11,709.93/x
  3. Step 3: Cross multiply
    18,877.83x = 26,056.89 × 11,709.93
  4. Step 4: Simplify right side
    18,877.83x = 305,124,357.92
  5. Step 5: Solve for x
    x = 305,124,357.92/18,877.83
  6. Step 6: Final answer
    x = 16,163.11

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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.