Home / 18,910.27-26,095.96-10,412.21

Finding the Fourth Proportional to 18,910.27, 26,095.96 and 10,412.21

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Solution

The fourth proportional to 18,910.27, 26,095.96 and 10,412.21 is: 14,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.27 : 26,095.96 = 10,412.21 : x
  2. Step 2: Convert to fraction form
    18,910.27/26,095.96 = 10,412.21/x
  3. Step 3: Cross multiply
    18,910.27x = 26,095.96 × 10,412.21
  4. Step 4: Simplify right side
    18,910.27x = 271,716,628.85
  5. Step 5: Solve for x
    x = 271,716,628.85/18,910.27
  6. Step 6: Final answer
    x = 14,368.74

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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.