Home / 19,153.20-26,434.50-11,193.87

Finding the Fourth Proportional to 19,153.20, 26,434.50 and 11,193.87

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Solution

The fourth proportional to 19,153.20, 26,434.50 and 11,193.87 is: 15,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.20 : 26,434.50 = 11,193.87 : x
  2. Step 2: Convert to fraction form
    19,153.20/26,434.50 = 11,193.87/x
  3. Step 3: Cross multiply
    19,153.20x = 26,434.50 × 11,193.87
  4. Step 4: Simplify right side
    19,153.20x = 295,904,356.52
  5. Step 5: Solve for x
    x = 295,904,356.52/19,153.20
  6. Step 6: Final answer
    x = 15,449.34

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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.