Home / 19,278.27-26,604.20-11,320.63

Finding the Fourth Proportional to 19,278.27, 26,604.20 and 11,320.63

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Solution

The fourth proportional to 19,278.27, 26,604.20 and 11,320.63 is: 15,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.27 : 26,604.20 = 11,320.63 : x
  2. Step 2: Convert to fraction form
    19,278.27/26,604.20 = 11,320.63/x
  3. Step 3: Cross multiply
    19,278.27x = 26,604.20 × 11,320.63
  4. Step 4: Simplify right side
    19,278.27x = 301,176,202.76
  5. Step 5: Solve for x
    x = 301,176,202.76/19,278.27
  6. Step 6: Final answer
    x = 15,622.57

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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.