Home / 18,719.40-25,834.98-10,761.96

Finding the Fourth Proportional to 18,719.40, 25,834.98 and 10,761.96

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Solution

The fourth proportional to 18,719.40, 25,834.98 and 10,761.96 is: 14,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.40 : 25,834.98 = 10,761.96 : x
  2. Step 2: Convert to fraction form
    18,719.40/25,834.98 = 10,761.96/x
  3. Step 3: Cross multiply
    18,719.40x = 25,834.98 × 10,761.96
  4. Step 4: Simplify right side
    18,719.40x = 278,035,021.36
  5. Step 5: Solve for x
    x = 278,035,021.36/18,719.40
  6. Step 6: Final answer
    x = 14,852.77

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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.