Home / 19,122.18-26,385.66-10,945.14

Finding the Fourth Proportional to 19,122.18, 26,385.66 and 10,945.14

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Solution

The fourth proportional to 19,122.18, 26,385.66 and 10,945.14 is: 15,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.18 : 26,385.66 = 10,945.14 : x
  2. Step 2: Convert to fraction form
    19,122.18/26,385.66 = 10,945.14/x
  3. Step 3: Cross multiply
    19,122.18x = 26,385.66 × 10,945.14
  4. Step 4: Simplify right side
    19,122.18x = 288,794,742.69
  5. Step 5: Solve for x
    x = 288,794,742.69/19,122.18
  6. Step 6: Final answer
    x = 15,102.61

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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.